physics project class 11

Topics: Trajectory, Projectile, Force Pages: 2 (392 words) Published: October 28, 2014

By: Pranav Jain
Class: S6-D

I convey my sincere gratitude to Mrs. Bindu Kapoor for her continuous guidance and help. Without her kind support, the completion of this Practical File would not have been possible.

Name- Pranav Jain
Class- S6-D, Roll No.- 22

This is to certify that this Practical File has been designed and developed by Pranav Jain under my guidance and supervision.


What is Projectile Motion?

Projectile motion is a form of motion in which an object or particle (called a projectile) is thrown obliquely near the earth's surface, and it moves along a curved path under the action of gravity only.The path followed by a projectile motion is called its trajectory. Projectile motion only occurs when there is one force applied at the beginning of the trajectory, after which there is no force in operation apart from gravity.

A projectile is any object that is cast, fired, flung, heaved, hurled, pitched, tossed, or thrown. (This is an informal definition.)  
Some examples of projectiles-
Any soldier who has to bomb a particular place using an airplane or a tank must calculate the velocity and angle of throw for the bomb to hit the target.

Secondly it is widely used by people who extinguish fire. People who has to extinguish fire in a little longer distance from their stay show the tubes in an angle so that the water hits the fire, thus extinguishing it.

It is also used when, sometimes, food packets are thrown from helicopters in times of intense famine the distance from which the packets are thrown is important. If it is not calculated correctly, the food packets may fall in some other place.

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