'Normal force acting' diaporamas de présentation

Forces

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Lesson 2

Honors/AP Physics: An Electronic Textbook Chapter 5 Moving in a Circle: Circular Motion, Gravity and Torque. Lesson 2. Centripetal Forces in 1-Dimension. Introduction. Why do amusement park rides feel the way they do?. Introduction. Why do they employ so many circles or parts of

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Forces and the Laws of Motion

Forces and the Laws of Motion. Changes in Motion. Force is a push or a pull exerted on an object. Force causes a change in velocity. A force acting on a mass causes an acceleration change in velocity. If 1 kg of mass is accelerated by 1 m/s 2 then 1 Newton (N) of force is needed.

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Wednesday January 14

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Chapter 4

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Torque Center of mass Center of gravity

Torque Center of mass Center of gravity. What is Torque?. Torque - the quantity that measures the ability of a force to rotate an object around some axis.

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Gravitation

Gravitation. Universal Gravitation. Two objects of masses M and m (kg), whose centres are a distance r (m) apart experience a force of attraction: G = 6.67 x 10 -11 Nm 2 /kg 2. Ex. Force of attaction between you the person you are sitting next to.

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Forces and Laws of Motion

Forces and Laws of Motion. Force. Force is the cause of an acceleration, or the change in an objects motion. This means that force can make an object to 1) start moving, 2) stop moving, or 3) change direction. SI unit of Force.

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Everyday Forces

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Before starting: there are 2 surfaces along which we may have normal and frictional forces

Before starting: there are 2 surfaces along which we may have normal and frictional forces If there are no friction at all top box will stay in place while bottom moving to the left

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