M2.2 Moments

Front

Moment of a force

Back

the turning effect of a force about a pivot

Front

What is the correct formula for the moment of a force?

Back

moment = force x perpendicular distance to pivot

Front

What are the units of moments?

Back

Nm

Front

An object will not accelerate unless a resultant force acts on it. Which of Newton's Laws is this?

Back

1st

Front

What does it mean if an object is in equilibrium?

Back

The resultant force on the object is zero

Front

Back

A

Front

Back

B

Front

Back

C

Front

Which of the following is an example of a force causing an object to rotate?

• Dropping a ball
• Sliding a book across a table
• Pushing a door open
• Holding a cup

Back

Pushing a door open

Front

What happens to the moment of a force if the distance to the pivot is doubled?

Back

The moment is doubled