What is a lever?

Choose 1 answer

the weight of an object

the place where the rod pivots (or rotates)

a long arm that rests on a support called a fulcrum

a wheel over which a belt, rope, or chain is pulled to lift or lower a heavy object

a pin or shaft on which a mechanical part turns

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What is a pulley?

Choose 1 answer

the weight of an object

a long arm that rests on a support called a fulcrum

the place where the rod pivots (or rotates)

a wheel over which a belt, rope, or chain is pulled to lift or lower a heavy object

a pin or shaft on which a mechanical part turns

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What is a fulcrum?

Choose 1 answer

the place where the rod pivots (or rotates)

a long arm that rests on a support called a fulcrum

a pin or shaft on which a mechanical part turns

a wheel over which a belt, rope, or chain is pulled to lift or lower a heavy object

the weight of an object

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What is a pivot?

Choose 1 answer

a pin or shaft on which a mechanical part turns

the weight of an object

a wheel over which a belt, rope, or chain is pulled to lift or lower a heavy object

the place where the rod pivots (or rotates)

a long arm that rests on a support called a fulcrum

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What is a load?

Choose 1 answer

the place where the rod pivots (or rotates)

a wheel over which a belt, rope, or chain is pulled to lift or lower a heavy object

a pin or shaft on which a mechanical part turns

a long arm that rests on a support called a fulcrum

the weight of an object

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Answer incorrect

Look at the slide below to work out the answer.