Term
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Definition
| What is the force exerted on an object that makes it move? |
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Term
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Definition
| What is a unit of work equal to one newton-meter? |
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Term
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Definition
| What is the rate at which work is done? |
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Term
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Definition
| Is any work done if the object does not move? |
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Term
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Definition
| What is the formula for work? |
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Term
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Definition
| What are the two factors involved in work? |
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Term
| Power = work divided by time |
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Definition
| What is the formula for power? |
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Term
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Definition
| What is the SI unit for work? |
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Term
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Definition
| What is the SI unit of power? |
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Term
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Definition
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Term
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Definition
| What is a device that changes the amount of force exerted, the distance or the direction of the force? |
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Term
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Definition
| What is the force exerted on a machine? |
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Term
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Definition
| What is the force exerted on an object BY A MACHINE? |
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Term
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Definition
| What is the work done by a machine? |
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Term
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Definition
| What is the work done ON A MACHINE? |
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Term
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Definition
| What is the number of times a machine increases a force exerted on it? |
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Term
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Definition
| The percentage of input work that is converted to output work? |
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Term
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Definition
| What is the force YOU exert on a shovel? |
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Term
| Output Work divided by input work x 100% |
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Definition
| What is the formula for finding the efficiency of a machine? |
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Term
| Screw, lever, pulley, wedge, inclined plane, wheel/axel |
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Definition
| Name 6 types of simple machines. |
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Term
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Definition
| What type of simple machine is a ramp? |
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Term
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Definition
| Which type of simple machine are a knife and ax? |
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Term
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Definition
| Which type of simple machine is a jar lid? |
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Term
| First, second and third class |
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Definition
| What are the 3 types of levers? |
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Term
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Definition
| Which class of lever has the fulcrum in the middle? |
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Term
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Definition
| Which class of lever has the output force in the middle? |
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Term
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Definition
| Which class of lever has the input force in the middle? |
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Term
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Definition
| Which class of lever are pliers and scissors? |
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Term
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Definition
| Which class of lever are bottle openers and wheel barrows? |
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Term
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Definition
| Which class of lever are hockey sticks and baseball bats? |
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Term
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Definition
| What term is used for a machine that uses two or more simple machines? |
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Term
| Fixed, movable, and block & tackle |
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Definition
| What are 3 types of pulleys? |
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Term
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Definition
| Which type of pulley is used to raise and lower a flag? |
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Term
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Definition
| What is a pulley that is made from fixed and movable pulleys together? |
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Term
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Definition
| Which type of pulley changes the direction but NOT the force? |
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Term
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Definition
| Which type of pulley DECREASES the amount of force, but does NOT change the direction of the force? |
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Term
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Definition
| Which type of pulley changes the direction of the force and decreases it? |
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Term
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Definition
| What is the fixed point around which the lever pivots? |
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