Levers & Gears (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do levers and gears help to reduce when performing tasks?
What do levers and gears help to reduce when performing tasks?
The force needed to apply
How do levers increase the moment (turning effect)?
How do levers increase the moment (turning effect)?
By making force act farther from pivot
What is the pivot in a lever?
What is the pivot in a lever?
The point the lever turns around
When is the moment greatest on a lever?
When is the moment greatest on a lever?
When force is at right angle to lever
What effect does using a longer spanner have on the moment?
What effect does using a longer spanner have on the moment?
It increases the moment
What happens to the force needed when using a longer spanner?
What happens to the force needed when using a longer spanner?
The force needed decreases
What can gears change through rotation?
What can gears change through rotation?
Speed, force, or direction
If a gear connects to a smaller gear with fewer teeth, how does the second gear turn?
If a gear connects to a smaller gear with fewer teeth, how does the second gear turn?
Faster
If a gear connects to a smaller gear, what happens to the force on the second gear?
If a gear connects to a smaller gear, what happens to the force on the second gear?
It has less force
If a gear connects to a larger gear with more teeth, how does the second gear turn?
If a gear connects to a larger gear with more teeth, how does the second gear turn?
Slower
If a gear connects to a larger gear, what happens to the force on the second gear?
If a gear connects to a larger gear, what happens to the force on the second gear?
It has more force
In which direction does the second gear turn relative to the first gear?
In which direction does the second gear turn relative to the first gear?
Always in the opposite direction