iron ball with a radius of approximately 0.5 feet from the ceiling of the Pantheon in Paris with a wire that was over 200 feet long. The ball was used as a pendulum‚ and it could swing more than 12 feet back and forth. Beneath the ball he placed a circular ring with sand on top of it. Attached to the bottom of the ball was a pin‚ which scraped away the sand in its path each time the ball went by. To get the ball started on a perfect plane‚ the ball was held to the side by a cord until it was motionless
Premium Force Coriolis effect
marble are shown below. Notice that the size of the vector remains the same but the direction is constantly changing. Because the direction is changing‚ there is a ∆v and ∆v = vf - vi ‚ and since velocity is changing‚ circular motion must also be accelerated motion. vi ∆v vf -vi vf2 If the ∆t in-between initial velocity and final velocity is small‚ the direction of ∆v is nearly radial (i.e. directed along the radius). As ∆t approaches 0‚ ∆v becomes exactly radial‚ or centripetal
Premium Velocity Kinematics Acceleration
Controlled variables: 1. The lighting was kept constant during the complete test. No additional light sources were added throughout the experiment‚ nor were any light sources removed throughout the experiment. This minimized the errors involved with trying to read and record the indicated measurements on the ticker tape‚ as well as the ability to analyze the experiment. 2. The same person measured and recorded the height and length of the incline plane and level horizontal track to ensure consistency
Premium Measurement Test method
Term 3 Uniform Circular Motion When a body moves in a circular path with a constant speed‚ it is said to undergo uniform circular motion. Although the speed is constant‚ velocity is continually changing‚ since it is constantly changing its direction of motion. Centripetal V V ac ac Acceleration is directed towards the centre of the circle and is therefore called “centripetal acceleration.” ac =v^2r ac =v^2r If T is the time taken for one revolution then: V = 2πrT ac =v^2r
Premium Potential energy Force Energy
Circular Motion and Gravitation Circular motion is everywhere‚ from atoms to galaxies‚ from flagella to Ferris wheels. Two terms are frequently used to describe such motion. In general‚ we say that an object rotates when the axis of rotation lies within the body‚ and that it revolves when the axis is outside it. Thus‚ the Earth rotates on its axis and revolves about the Sun. When a body rotates on its axis‚ all the particles of the body revolve – that is‚ they move in circular paths about
Premium Velocity Kinematics Angle
INVESTIGATING CIRCULAR MOTION 11/3/04 AIM To examine some of the factors affecting the motion of an object undergoing uniform circular motion‚ and then to determine the quantitative relationship between the variables of force‚ velocity and radius. APPARATUS Rubber bung Metre rule 50 gram slot masses Glass tube 50-gram mass carrier 50-gram slot masses Metre rule Stopwatch Sticky tape Metre rule String THEORY As in Jacaranda HSC Science Physics 2 p.54 In this experiment when the rubber bung
Premium Mass General relativity
II Uniform Circular Motion A. Nomenclature 1. Speed – magnitude of an objects rate of motion (no direction‚ scalar quantity) 2. Velocity – speed and direction of an objects motion (vector‚ mag & direction) 3. If a car’s speed is constant but direction is changing‚ velocity is changing. 4. 2 ways to change velocity (change speed or change direction). 5. acceleration – change in speed over time (vector quantity) TWO types; a. Linear acceleration – speed
Free Force Kinematics Classical mechanics
Physics Practical TAS Lab Report Experimental test of Fc=mrω2 by whirling a rubber bung CHUI‚ WING LAM CYNTHIA 6B (3) GROUPMATES: ANDY TAM‚ TOMMY LO Date of experiment: 26-01-2011 Date of submission: 21-02-2011 I. Objective For a body moving in a uniform circular motion‚ measure the centripetal force acting on it and compare it with the theoretical value Fc=mrω2. II. Theory |Fc=mrω2 =Mg |where |Fc is the centripetal force | |
Premium Force Kinematics Mass
2.6.1 Draw a vector diagram to show that the acceleration of a particle moving with uniform speed in a circle is directed toward the centre of the circle. Review of basic kinematics: If the acceleration and velocity of an object are parallel (or anti-parallel) then the object’s speed will increase (decrease). If the acceleration and velocity of an object are perpendicular then only the direction of the velocity will change and the speed (i.e. the magnitude of the velocity) will remain constant.
Premium Kinematics Force Classical mechanics
Activity Lab #4 : Non-Uniform motion Design Aspect 1 * Problem: What is the acceleration of the puck in the air table? Aspect 3 Material List: * Strip of Paper * Puck * Foot pedal * Air table * Procedure: 1) Place a long sheet of white unlined paper‚ and place it on the air table. 2) Turn on the air table machine. 3) Place the puck top of the air table over the long sheet of white unlined paper 4) Using your foot‚ press down on the foot pedal. 5) Release the
Premium Classical mechanics Velocity Mass