A projectile is any object that is given an initial velocity and follows a path determined by the effects of gravitational acceleration and air resistance.

Projectile motion is the act of projecting an object into the air at an angle when a curved path is an object follows when thrown or propelled near the surface of the earth.For example: a thrown football, an object dropped from an airplane, or a bullet shot from a gun.Projectile motion may only be used to solve mechanics problems if the acceleration is constant.The path followed by a projectile is called its trajectory. It is affected by gravity.We shall neglect the effect of air resistance and the curvature and the rotation of the earth when we want to analyses projectile motion.

Projectile motion is always confined to a vertical plane determined by the direction of the initial velocity.This is because the acceleration due to gravity, g is always vertically downwards and hence has no effect on the horizontal motion of the projectile.Thus projectile motion is two-dimensional motion.We can consider the plane of plane of motion as the x- coordinate and y- coordinate with the x-axis horizontal and the y-axis vertically upward.

In another words, projectile motion can be resolved into two perpendicular component: a horizontal component with constant velocity (zero acceleration)and a vertical component with constant acceleration,g (free fall)

We can analyses projectile motion as a combination of Horizontal motion with constant velocity and vertical motion With constant acceleration.

...ProjectileMotion
Experiment # 4
Introduction:
ProjectileMotion exists commonly in our everyday lives and is particularly evident in the motion or flight of objects which are projected from a particular height. The key to working with projectilemotion is recognizing that when an object with mass is flying through the air, its motion is a combination of vertical and horizontal movements. Although the horizontal velocity of the object remains constant throughout the flight, it’s vertical velocity accelerates or decelerates due to gravity.
Purpose:
The purpose of this experiment is to be able to measure the velocity of a ball using two Photogates and computer software for timing, apply concepts from two-dimensional kinematics to predict the impact point of a ball in projectilemotion and ability to understand trial-to-trial variations in the velocity measurement when calculating the impact point.
Materials:
Computer plumb bob
Vernier computer interface ramp
Logger Pro two ring stands
Two Vernier Photogates two right-angle clamps
Ball(1 to 5 cm diameter) meter stick or metric measuring tape
Masking tape target
Procedure:
1) Set up a low ramp made of...

...ProjectileMotion
Purpose: Apply the concepts of two-dimensional kinematics (projectilemotion) to predict the impact point of an object as its velocity increases.
Introduction: The most common example of an object that is moving in two dimensions is a projectile. A projectile is an object upon which the only force acting is gravity. That is to say a projectile is any object that once projected or dropped continues in motion by its own, and is influenced only by the downward force of gravity. There are a number of examples of projectiles, such as
an object dropped from rest, an object that is thrown vertically upward, and an object
which is thrown upward at an angle to the horizontal is also a projectile. Since a projectile
is an object that only has a single force acting on it, the free-body diagram of a projectile
would show only a single force acting downwards; labeled force of gravity. Regardless of
which direction a projectile is moving, the free-body diagram of the projectile is still as
depicted in the diagram at the right.
In the case of projectiles, one can use information about the initial velocity and position of a projectile to predict such things as how much time the projectile is in the air and how...

...object (stone, spear, arrow or bullet) is thrown, hurled or shot in the air, the object is a PROJECTILE (“Projectile”). The study of projectile is important because it must be realized that they are very much part of man’s daily life then and now. Whether man likes it or not, he encounters and uses projectile in his everyday life. Our hunting ancestors threw stones and spears on animals to kill them for their food.
In today’s sports, balls follow projectilemotion such as when a basketball player shoots the ball into the hoop, a golfer or a baseball player hitting the ball, a tennis player lobbing the ball, a javelin thrower, a discus thrower or a shot putter trying to throw their objects as far as they can (Sears, Zemansky and Young 54). In warfare, catapults and arrows in medieval times were the deadly weapons while today, guns, mortars, rockets and missiles have replaced those ancient weapons of war (“Field Artillery and Mortars”, “Ballistics”). However, the way to effectively use these weapons has not changed. They are to be launched into projectilemotion to hit the target. The path followed by a projectile is called its trajectory. Projectiles follow a curved trajectory or curved path that is a PARABOLA. (Sears, Zemansky and Young 54, Briggs 491).
It is actually easy to observe...

...investigation By Rex Whiticker
ProjectileMotion
Abstract:
The Project motion of a catapult being fired is varied by a range of factors that affect the path of the projectile. In this experiment, the angle of trajectory, mass of the projectile and change in initial velocity of the launch, were all factors considered in the end result to investigate the properties of projectilemotion. The purpose of the experiment was to conduct a first-hand investigation to design and analysis how angle, weight and power affect projectilemotion, collecting approximate values and recording results.
Introduction:
Parabolic motion has been studied for a long time dating all the way back to the time in which Galileo was conducting experiments. During the experiment two angles were fired at 320 and 100 at two different power levels and weights.
Galileo was the first person who accurately described projectilemotion. Because of the drawings of Niccolo Tartaglia, Galileo realized that a projectile followed a curved path which is called a parabola. The parabola had an exact mathematical shape that was acted upon two forces, vertical and horizontal. His experiments included rolling balls down a highly polished inclined plane (to lower the acceleration) and record similarities. His work showed that...

...TITLE
To investigate the trajectory of a small ball as it rolls off a surface which is inclined to the horizontal.
OBJECTIVE
To investigate the trajectory of a two dimensional motion
APPARATUS & MATERIALS
Ramp
Wooden block
Pendulum bob
Plumb line
Steel ball
Wooden board
Carbon paper
Meter rule
Plasticine
SETUP
1. A ramp has been set up at the edge of a bench as shown in the Figure 4-1.
2. Suspend a plum-line from the edge of the bench as shown in Figure 4-2.
3. Mount a wooden board horizontally using two clamps so that the board is situated
about the bottom of the ramp.
4. Place a sheet of blank paper on top of the board.
5. Place a piece of carbon paper on the top of the blank paper. The ink-side of the
carbon paper should be facing down.
6. When a ball is released at the top of the ramp, the ball will travel through a
trajectory as shown in Figure 4-2.
THEORY
Let:
g =
u = speed of the ball as it leaves the ramp
k = constant
y = vertical distance (between the bottom of the ramp and the top of the board)
x = horizontal distance (between the plum-line and mark on the paper)
The equation which relates to x and y is
PROCEDURE
1. Position the ball at the top of the ramp. Release the ball so that it rolls down the
ramp and onto the board below.
2. Remove the carbon paper and observe that the ball makes a small mark on the blank
paper....

...Investigating Projectiles
Background:
A projectile is an entity which only has the force of gravity acting upon it. A projectile can be cast, fired, flung, heaved, hurled, pitched, tossed and thrown. A projectile can be anything as long as it has initial horizontal velocity that is not equal to zero which has the acceleration due to gravity. Projectilemotion happens when an object projected with a force stops putting influence on the object after its launched, hence the only force being gravity. The trajectory is the path of the projectile. There are three types of projectilemotion as the following.
Projectiles 1: When an object is dropped from rest at an elevation or fired from elevation with an angle of zero.
Projectiles 2: When the object is thrown at an angle from no elevation with a parabolic trajectory.
Projectiles 3: When the object is thrown upwards at an angle from a higher elevation
Each projectile had its own separate calculations and equations. Projectiles are a 2 dimensional because the motion of the projectile is all one. When calculating projectiles you must consider the acceleration due to gravity because that’s the single force acting upon it and assume that there is no air resistance.
When...

...Example ProjectileMotion Lab Report
You may not copy the exact words here in any way on a re-written lab.
Determination on the Effect of Angle on the Range of a Projectile
Joselyn J. Todd, other science students, and even other science students
Sept. 12, 2006
Joselyn J. Todd, Example Lab, 9/12/2006
2
Introduction
Parabolic motion has been studied for a long time dating all the way back to the
time in which Galileo was conducting experiments. In this lab report, the range a
foam disk launcher shot was tested by altering the angle of trajectory followed by
measuring the range. The range that the foam disk went was measured in
centimeters and multiple shots were taken at each angle and then averaged.
Galileo was the first person who accurately described projectilemotion. Because
of the drawings of Niccolo Tartaglia, Galileo realized that a projectile followed a
curved path which is called a parabola.1 It was later found out by Galileo that the
parabola has an exact mathematical shape. Also, he stated that a projectile was
acted upon by two forces, vertical and horizontal. The vertical force was from
gravity, which pulled it to Earth at 9.8 m/s. That is why a parabola is a precise
mathematical equation.2
Observations were conducted before the experiment was started. First,
observations were made on two racquetballs, one being...

...and Kinematics. One of the topic in Physics is ProjectileMotion. ProjectileMotion is a special case of two-dimensional motion. Gravity is the only considered external force acting on it while an object is airborne. Projectile is the moving body in this kind of motion. It refers to any object thrown, launched or otherwise projected so that once released, if air resistance is neglected, its path is affected only by the Earth’s gravity. As fired at an angle, it is influenced by its horizontal inertia and vertical gravity. The projectile creates a parabolic curve. The curved path is known as the trajectory. We are assuming here that there is no or very little air resistance. The equations of motion for one dimension are also valid for two dimensions. To simplify our analysis, we will resolve the position, velocity, and acceleration into horizontal and vertical components. Because these components are perpendicular, they are independent to each other.
In this experiment, you will analyse the motion of a projectile. Specifically, you will be able to explain the effects of variable launch angles and initial speeds to the positions of the projectile along the x-axis and y-axis. The objective of this experiment is to analyse the motion of projectile and to compare the ranges of...