S2_Ch11.2_force

force can be measured by

• electronic balance

• spring balance

• stopwatch

• measuring watch

The unit of the force is

• g

• cm3

• N

• m

Draw arrows to represent the forces below. Also, write the effects of the forces on the objects in the space provided.

Draw arrows to represent the forces below. Also, write the effects of the forces on the objects in the space provided.

If balanced force act on an object, it stays at rest or in uniform motion.

• True

• False

magnetic force is contact forces.

• True

• False

Magnetic force can act at a distance.

• True

• False