Moments, 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 is the turning effect of a force called?
What is the turning effect of a force called?
A moment
What is a pivot?
What is a pivot?
A fixed point about which an object rotates
What happens if a force is applied through the pivot?
What happens if a force is applied through the pivot?
The object will not rotate
What happens if there is distance between the pivot and the line of action of the force?
What happens if there is distance between the pivot and the line of action of the force?
The object rotates about the pivot
How can you increase the size of a moment?
How can you increase the size of a moment?
Increase force or perpendicular distance
How can you decrease the size of a moment?
How can you decrease the size of a moment?
Decrease force or perpendicular distance
What is the formula for the moment of a force?
What is the formula for the moment of a force?
What is the unit of a moment?
What is the unit of a moment?
Newton-metres (Nm)
What two terms describe the direction of a moment?
What two terms describe the direction of a moment?
Clockwise and anticlockwise
When do moments balance each other out?
When do moments balance each other out?
When total clockwise = total anticlockwise
What is equilibrium?
What is equilibrium?
Sum of anticlockwise = sum of clockwise
What does a larger moment result in?
What does a larger moment result in?
A greater rotational effect