Moment of a Force

What is the unit of force?

• Meter

• Newton

• Newton meter

• Centimeter

Tags

NGSS.HS-PS2-1

Moment is a measure of the turning effect of a force.

• True

• False

Pivot is the point about which a force is turned by an object.

• True

• False

Principle of moments states that an object is balanced when clockwise moments are equal to anticlockwise moments.

• True

• False

The bigger the moment of a force, the smaller its turning effect.

• True

• False

What is the moment acting on the left side of the pivot?

• 2 Nm

• 20 Nm

• 200 Nm

• 0.2 Nm

One way to increase the turning force on a spanner is to:

• Use a shorter spanner

• Use a longer pivot

• Use a longer spanner

A cat weighing 50 N is 1 m from the pivot. How far away does a mouse weighing 0.5 N have to be to balance the beam?

• 1 m

• 10 m

• 100 m

• 1000 m

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?

• 2 m

• 4 m

• 1 m

• 0.5 m

A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?

• 1 m

• 0.5 m

• 0.2 m

• 0.25 m