Investigation 2.5: Acceleration Due to Gravity of Different Masses SPH 4CI-01 Al Einstein‚ James Maxwell‚ Isaac Newton‚ James Watt Mrs. Joldwcks Due Date: July 19‚ 2008 Cut-Off Date: July 21‚ 2008 Purpose: To determine if the mass of a falling object affects its acceleration rate. Hypothesis: The greater the mass of an object‚ the greater its rate of acceleration because more massive objects have more gravitational force exerted on them by the Earth. Materials:
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state acceleration with time. This graph complies with Newton’s second law as the force applied is equal to 1 and the mass remains constant so and an acceleration of one is expected. I also tested this by changing the value of the force applied‚ to a value of 2‚ which in theory should give and equivalent change in the acceleration‚ to a value of 2. From Newton’s second law: it can be seen that as the force varies‚ provided moment of inertia is constant‚ the value for the angular acceleration should
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Aim: a:‚ To observe changes in motion due to changes in force and measure force‚ mass and acceleration‚ and examine their influence on motion. b: To investigate the relationship between the variables; mass‚ force and acceleration and determine an inertial mass through the use of a trolley‚ ticker-timer and set of slotted masses. Introduction: Newton ’s second law states "The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force‚ in the
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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.
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Speed ωavg = ΔΘ/Δt average angular speed = angular displacement/time G. Angular Acceleration (α = “alpha”) occurs when angular speed changes. Remember acceleration? a = velocity/time ?? Angular Acceleration αavg = ω2 – ω1/t2 – t1 = Δω/Δt average angular acceleration = change in speed/time H. “All points on a rotating rigid object have the same angular acceleration and angular speed.” P.250 II. Section 7-2: Tangential and
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Name: ______________________________________ Date: ________________________ Student Exploration: Uniform Circular Motion Vocabulary: acceleration‚ centripetal acceleration‚ centripetal force‚ Newton’s first law‚ Newton’s second law‚ uniform circular motion‚ vector‚ velocity Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. A boy is whirling a yo-yo above his head in a counter-clockwise direction. At the exact moment shown at left‚ he lets go of the string. In which direction
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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
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along with G-forces and centripetal acceleration give the body certain sensations as the coaster moves up‚ down‚ and around the track. The forces experienced by the rider are constantly changing‚ leading to feelings of joy in some riders and nausea in others. The basic principles of roller coaster mechanics have been known since 1865‚[citation needed] and since then roller coasters have become a popular diversion. * | centripetal acceleration Centripetal acceleration is not a true force‚ but
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SPH4U-B 4 Circular Motion Physics SPH4U-B Lesson 4 Introduction Transportation has undoubtedly advanced. Not only have vehicles changed‚ but the means by which people can get themselves to and from different locations has changed as well. Maps and compasses now take a backseat to the Global Positioning System (GPS). Access to the GPS is now very widespread; 24 satellites above our atmosphere are used to send and receive information in order to accurately determine locations of
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B. Define centripetal acceleration‚ and state its magnitude and direction. (2.0 points) Ans: An object moving at a constant velocity around a circular path is performing a uniform circular motion. The object’s path is considered to be tangent to the circle due to the fact that it is constantly changing position as it goes around the circle. Therefore the velocity would also be tangent to the circle. [A] The object in uniform circular motion is experiencing acceleration due to the fact
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