BJU Physical Science Chapter 12 Test

Both field and contact forces can do work.

• True

• False

Periodic motion is rare in nature.

• True

• False

Periodic motion can happen in a vacuum.

• True

• False

All periodic motion can be expressed in terms of circular motion.

• True

• False

All restoring forces are field forces.

• True

• False

No damping occurs in ideal periodic motion.

• True

• False

Damping affects mainly the amplitude of a periodic system.

• True

• False

A real pendulum arm does not have to be rigid.

• True

• False

The mass of a pendulum’s bob affects its period.

• True

• False

A pendulum’s period is affected by the length of its arm

• True

• False