Motion

The inertia force affects the ............ objects.

Friction is always ...............

The change in an object's position or direction as the time passes relative to a frame of reference is called ............ motion.

The movement of electrons around the nucleus is considered ................. motion.

.......................waves is an example of mechanical waves.

We see lightning before hearing thunder because .................

Periodic motion is changed between initial and final positions

Water waves are electromagnetic waves.

When you are in a moving car and another car moves beside you in the same direction at the same speed, you will imagine that the two cars don't move.

Sound waves are produced due to the vibration of medium particles