Topic 2 - Wheel Axle and Pulley Flashcards

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1
Q

What is a Winch

A

Small cylinder that has a crank or handle. This is an example of a wheel axle device.

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2
Q

What is a Wheel and Axle

A

As long as there are two turning objects attached to each of their centers, and one causes the other to turn, it is a wheel axle device

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3
Q

What is a Gear

A

A rotating wheel like object with teeth around the rim

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4
Q

What is a Gear Train

A

A group of two or more gears. The teeth of one gear fit into the teeth of another gear. When one turns so does the other.

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5
Q

What is a DrIver Gear

A

(also called the driver): First gear, the one in which the initial force is applied.

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6
Q

What is the Follower Gear

A

Second gear, the one that gets driven

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7
Q

What are sprockets

A

A gear with teeth that fit into a chain, like on your bike.

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8
Q

How do you find the speed ratio

A

Speed Ratio= Number of driver gear teeth / Number of follower gear teeth

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