Question

Which of the following is the common characteristic of all the moving bodies?

• A. They always travel with uniform speed.
• B. They always travel with varying speed.
• C. They do not change their position with time.
• D. They change their position with time.

Answer 1

The correct option is D They change their position with time.

Motion is defined as the change in position of an object with respect to its surroundings. All moving bodies change their position with time.

Examples:

• The motion of a train on a rail track
• The motion of an object dropped from a height.

The objects can move with constant speed as well as with varying speed.