True or false: force and motion

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Inertia is the tendency of a body to resist a change in its state.

2. Statement is true

   Yes

   Statement

   Momentum is the product of mass and velocity.

3. Statement is true

   No

   Statement

   A body needs a force to keep moving at a steady speed.

4. Statement is true

   Yes

   Statement

   Newton's first law describes how objects move when no net force acts.

Instructions

Decide whether each statement about motion is true or false.

Explanation