Levers & Gears (Edexcel 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 is the main purpose of levers and gears?
What is the main purpose of levers and gears?
To reduce the effort needed for tasks
What is a moment in physics?
What is a moment in physics?
The turning effect of a force
What is the pivot of a lever?
What is the pivot of a lever?
The point the lever turns around
How do levers increase the moment?
How do levers increase the moment?
By making force act farther from pivot
At what angle should force be applied to a lever for the greatest moment?
At what angle should force be applied to a lever for the greatest moment?
At a right angle (perpendicular)
What happens to the moment when you use a longer spanner?
What happens to the moment when you use a longer spanner?
It increases
What effect does a longer spanner have on the force needed to turn a nut?
What effect does a longer spanner have on the force needed to turn a nut?
Decreases the force needed
What can gears change through rotation?
What can gears change through rotation?
Speed, force, or direction
When a gear connects to a smaller gear with fewer teeth, how does the smaller gear turn?
When a gear connects to a smaller gear with fewer teeth, how does the smaller gear turn?
Faster with less force
What happens when a gear connects to a larger gear with more teeth?
What happens when a gear connects to a larger gear with more teeth?
Turns slower with more force
In what direction does the second gear turn relative to the first gear?
In what direction does the second gear turn relative to the first gear?
In the opposite direction
Why does a larger gear have a greater moment?
Why does a larger gear have a greater moment?
Force acts further from its pivot