Moments & Levers Quiz

What is the moment of a force of 10 N applied at a distance of 2 metres from the pivot?

• 5 Nm

• 20 Nm

• 10 Nm

• 15 Nm

In a lever, the fulcrum is:

• The point where the effort is applied

• The point where the load is applied

• The pivot point

• The length of the lever

If a lever has a mechanical advantage of 4, what does this mean?

• The effort is 4 times the load

• The load is 4 times the effort

• The lever is 4 metres long

• The fulcrum is 4 metres from the load

Which of the following is the correct formula for calculating the moment of a force?

• Moment = Force × Distance

• Moment = Force ÷ Distance

• Moment = Force + Distance

• Moment = Force - Distance

A seesaw is an example of which type of lever?

• First-class lever

• Second-class lever

• Third-class lever

• Fourth-class lever

If a 50 N force is applied 3 metres from the fulcrum, what is the moment?

• 150 Nm

• 50 Nm

• 100 Nm

• 200 Nm

In a balanced lever, the moments on either side of the fulcrum are:

• Equal

• Unequal

• Zero

• Double

What is the mechanical advantage of a lever if the effort arm is 2 metres and the load arm is 0.5 metres?

• 0.25

• 1

• 2

• 4

If a lever is in equilibrium, what can be said about the sum of the clockwise and anticlockwise moments?

• They are equal

• They are unequal

• They are zero

• They are double

If a 10 N force is applied at a distance of 0.5 metres from the fulcrum, what is the moment?

• 5 Nm

• 10 Nm

• 15 Nm

• 20 Nm