Forces (2.1 What is a force?)

What is a force?

• push only

• pull only

• both push and pull

Select the actions that exert a force.

• lift

• think

• twist

• imagine

• squeeze

When 2 surfaces slide across each other, they experience ................... force.

• frictional

• elastic

• magnetic

• gravitational

A spring exerts an ............... force when it is compressed.

• frictional

• elastic

• magnetic

• gravitational

What is the type of force exerted in the diagram shown?

• frictional

• elastic

• magnetic

• gravitational

What is the type of force exerted in the diagram shown?

• frictional

• elastic

• magnetic

• gravitational

The ________of an object is the gravitational force on the object

The unit of a force is ______ and its symbol is ___.

• kilogram, kg

• kilogram, Kg

• newton, N

• newton, n

The instrument shown in the diagram is used to measure force. What is its name?

• weighing scale

• weighing spring

• spring balance

• stretched spring