Question

Which of the following is incorrect about inertia?

• A. A body tends to reduce its speed.
• B. A body tends to change its direction of motion.
• C. A body tends to increase its speed.
• D. A body tends to maintain its direction of motion.

Answer 1

Answer: (A), (B), (C)

A body tends to increase its speed.

Inertia is the natural tendency of an object to resist any change in its state of motion or of rest.
There are three types of inertia:

• Inertia of rest
• Inertia of motion
• Inertia of direction