When two gears grind together they rotate in opposite directions.

Choose 1 answer

True

False

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In which of these every day objects would you expect to find gears.

Choose 3 answers

car

mechanical clock

digital clock

tennis racket

violin

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Which of the following are types of gear mechanisms?

Choose 3 answers

worm

beetle

rack and pinion

knife and fork

bevel

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Three gears are meshed together in a line. The largest gear has 32 teeth, the one in the middle has 16, and the last and smallest gear has 8 teeth. If the largest gear rotates once, how many times will the smallest gear rotate?

Choose 1 answer

2 times

4 times

32 times

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Answer incorrect

Look at the slide below to work out the answer.