Moments, Levers & Gears (AQA GCSE Physics): 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 turning objects?
What do levers and gears help to reduce when turning objects?
The force you need to apply
How do levers make tasks easier?
How do levers make tasks easier?
By increasing the moment
What is the pivot?
What is the pivot?
The point the lever turns around
What happens to the moment when you use a longer spanner?
What happens to the moment when you use a longer spanner?
It increases
When is the moment greatest on a lever?
When is the moment greatest on a lever?
When force is perpendicular to the lever
What happens to the force needed when you use a longer spanner?
What happens to the force needed when you use a longer spanner?
It decreases
What can gears change by rotation?
What can gears change by rotation?
Speed, force, or direction
If a gear connects to a smaller gear (fewer teeth), what happens to speed?
If a gear connects to a smaller gear (fewer teeth), what happens to speed?
Second gear turns 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?
Less force
If a gear connects to a larger gear (more teeth), what happens to speed?
If a gear connects to a larger gear (more teeth), what happens to speed?
Second gear turns 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?
More force
In which direction does the second gear always turn?
In which direction does the second gear always turn?
Opposite direction to the first gear