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Gears I
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Email
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Your email
Name and surname
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Your answer
Gears are
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1 point
Simple machines like levers, inclined planes and srews
Wheels with teeth that meshes with other gears which multiply power in machines
Wheels with teeth that meshes with other gears used for transmitting power in machines
None of the above
If you connect two gears together and the first one has more teeth than the second one , the second one has to turn round ___________ (complete the gap with one option below)
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much slower the first
much faster the first
just like the first
If the second wheel in a pair of gears has more teeth than the first one, it turns slower than the first one but with ___________ (complete the gap with one option below)
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more force
less force
the same force
more power
When two gears mesh together, the second one always turns in the opposite direction
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False
True
It depends on the number of teeth of each gear
If a gear gives you more force, it must give you ___________ at the same time. If it gives you more speed, it has to give you ________ (complete the gaps with one option below)
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1 point
more speed more force
less speed less force
more speed less force
less force more speed
A pair of gears can't create energy
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False
True
It depends on the number of teeth of each gear
The gear below is a
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Helical gear
Spur gear
Bevel gear
Rack gear
Gear
The gears below are
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Rack gears
Worm gears
Bevel gears
Helical gears
Gear
The gear below is a
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1 point
Helical gear
Spur gear
Bevel gear
Rack gear
Gear
The gear below is a
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1 point
Spur gear
Bevel gear
Rack gear
Worm gear
Gear
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