Moments, Levers and Gears

Select the correct equations.

• Moment = Force / Distance

• Moment = Force x Distance

• Force = Moment / Distance

• Distance = Moment x Force

• Distance = Moment / Force

A moment is a turning force that causes objects to ______.

The unit of moment is...

• Newtons (N)

• Newtonmetres (Nm)

• Ohms (Ω)

• seconds (secs)

Calculate the moment caused by the spanner on the nut.

Calculate the moment caused by the spanner on the nut.

To increase the size of the moment, we can...

• increase the size of the force

• decrease the size of the force

• increase the distance from the pivot

• decrease the distance from the pivot

Which gears will turn clockwise if gear A is turned anticlockwise?

• B

• C

• D

• E

• F

Larger gears produce ______ moments

• smaller

• larger

• no