Term
| What is it called when a force causes an object to move in the direction of the force? |
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Definition
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Term
| What is the rate at which power is transferred? |
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Definition
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| What do you call the number of times a machine multiplies force? |
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Term
| What is a machine that is made of two simple machines? |
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Definition
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Term
| What is a machine with a grooved wheel that holds a cable? |
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Definition
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Term
| What kind of energy does a moving object have? |
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Definition
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Term
| What is the comparison of a machines's work output with work input called? |
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Definition
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Term
| What is the product of input force through a distance? |
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Term
| What is a machine with a bar that pivots on a fixed point? |
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Definition
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Term
| What is the product of output force throught a distance? |
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Definition
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Term
| What is the name of the unit used to express power? |
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Definition
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Term
| What is a device that makes work easier? |
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Definition
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Term
| What is the name of the unit used to express work? |
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Definition
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Term
| This machine has two circular devices of different sizes. |
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Definition
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Term
| A moving bowling ball has what kind of energy? |
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Definition
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Term
| Force times what is the formula to calculate work. |
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Definition
distance
WORK = Force x Distance |
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Term
| You need the same amount of what to raise a car up a cliff as to push it up a hill. |
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Term
| These aren't 100% efficient because of friction. |
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Definition
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Term
| A machine that had 100% mechanical efficiency would be a(an) what? |
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Term
| This is a picture of a first-class lever. |
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Definition
| The fulcrum is in the center and the load is near the center. |
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Term
| This is a picture of a second-class lever. |
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Definition
| The fulcrum is at one end, the load is near it and the input force is on the other end. |
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Term
| This is a picture of a third-class lever. |
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Definition
| The fulcrum is on one end and the load is on the opposite end. |
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