'Clockwise moment' diaporamas de présentation

MECHANICAL SYSTEMS

MECHANICAL SYSTEMS. This unit covers the following topics: Motion Forces Levers Moments Linkages Free Body Diagrams Beams Gears Torque and Drive Systems Converting motion. Introduction. Mechanisms are widely used in industry and society Many mechanisms will be familiar to you.

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KS3 Physics

KS3 Physics. 9L Pressure and Moments. Contents. 9L Pressure and Moments. Pressure. Pressure in liquids. Moments. Summary activities. What is pressure?. 1. 2. Pressure is exerted whenever a force is applied over an area.

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KS3 Physics

KS3 Physics. 9L Pressure and Moments. Contents. 9L Pressure and Moments. Pressure. Pressure in liquids. Moments. Summary activities. What is pressure?. 1. 2. Pressure is exerted whenever a force is applied over an area.

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Last lesson

Last lesson. Know what the turning effect of a force is Know that the moment of a force depends on force and the distance from the pivot Know the principal of moments. What happens when you try to open a door with one finger?. Where do you push?. Hi, my name is Mr Stick. hinges.

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Moments ?????? !

Moments ?????? ! 19.2 Know that the turning effect of a force is called its MOMENT and calculate the moment of a given force ?? ???? ?????? ?? ????? ??????? ???? ??? ??????? ??? ???? ?????? ???? ??? ??? ?????

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Moments ?????? !

Moments ?????? ! 19.2 Know that the turning effect of a force is called its MOMENT and calculate the moment of a given force ?? ???? ?????? ?? ????? ??????? ???? ??? ??????? ??? ???? ?????? ???? ??? ??? ?????

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Chapter 4: Equilibrium

Chapter 4: Equilibrium. Equilibrium means balance of forces to prevent body from translating, and balance of moments to prevent body from rotating. Vector analysis in 3-D is the preferred method of solution. 4.1 Conditions for Equilibrium.

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Turning Effect of Forces

Turning Effect of Forces. MOMENTS. What is moments?. A force can cause many things to move or stop. When a force causes an object to turn, this turning effect is called moments. Example: A person sitting on a see-saw. Types Of Moments. There are 2 types moments: Clockwise moment

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Do now!

Do now!. Can you write down on the piece of paper 3 things you learnt last lesson (there is a clue in the picture!)?. WITHOUT looking in your books!. Do now!. Can you answer the 5 questions on the piece of paper please?. WITHOUT looking in your books!. Last lesson.

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Balanced and unbalanced forces

Balanced and unbalanced forces. When forces in opposite directions have the same value, they cancel each other out. The forces are balanced . The object is either stationary or moves at a constant speed.

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Levers , Moments and Centre of Gravity

Levers , Moments and Centre of Gravity. Moments and Centre of Gravity. Things you need to know in this section Turning effect of a force. Calculating turning effect (moment). Levers definition (4 examples) Law of the lever and experiment to prove it. Centre of gravity and how to find it.

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Moment of Force (Torque)

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EDEXCEL IGCSE / CERTIFICATE IN PHYSICS 1-5 The Turning Effect of Forces

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Force and Work

Force and Work. 11.1 What is Work Done?. The work done by a force is equal to the force multiplied by the distance moved in the direction of the force. Work done = Force ? Distance moved in the direction of the force. 11.1 What is Work Done?. For work to be done:

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Forces

Forces. Force causes acceleration Force is measured in Newtons (N) There are several different types of forces that can be applied to bodies and structures. Static Forces. Static forces do not usually cause motion Consider a tall building The weight of the material

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Forces

Forces. Force causes acceleration Force is measured in Newtons (N) There are several different types of forces that can be applied to bodies and structures. Static Forces. Static forces do not usually cause motion Consider a tall building The weight of the material

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Turning Effect of Force

Turning Effect of Force. Shie Yu Hao (22) Per Sheng Xiang (19). Hinge. Pivot. Force B -A larger force is needed if applied further to hinge. S mall recap. 2 factors which the door turns depends: Magnitude (Amount) of force Distance of the force applied from the pivot. Force A

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Experiment -Testing the principle of moments

When forces act in a different direction, yet still balance, the total turning effect in each direction will be the same: sum of clockwise = sum of anticlockwise moments moments. What did you notice about the anticlockwise moment and the clockwise moment?.

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