moments levers and centres of gravity
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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what is the moment of a force | force multiplied by distance of force from fulcrum
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what is a lever | a rigid body free to move about a fixed point called a fulcrum
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state the law of the lever | when a lever is balanced clockwise moments equal anticlockwise moments
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Another word for fulcrum is | axis
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force is measured in | newtons
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examples of levers include | scissors, wheelbarrows and doors
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an object in physics is commonly called | a body
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what is the centre of gravity of an object | the point on an object through which all the weight of the object appears to act
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a thin piece of card is called a | lamina
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when an object is balanced we say it is in | equilibrium
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to increase the stability of an object | widen the base and lower the centre of gravity
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Created by:
PHealy
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