Forces

Frictional force produces heat.

• true

• false

Force is applied when we push or pull an object.

• true

• false

• Adding lubricant and using rollers can decrease the amount of frictional force.

• true

• false

Pressing a button involves a pull.

• true

• false

A force can cause an object at rest to change direction.

• true

• false

A force can change the shape of an object.

• true

• false

A force can change a moving object slow down, speed up or change direction.

• true

• false

The rougher the surface, the lesser the friction.

• true

• false

On a smooth surface, an object will move at a short distance when pushed.

• true

• false

We can see and feel the effects of forces.

• true

• false