True or false: laws of motion

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Friction opposes the relative motion between surfaces.

2. Statement is true

   Yes

   Statement

   A body at constant velocity has zero net force on it.

3. Statement is true

   No

   Statement

   Action and reaction act on the same body.

4. Statement is true

   Yes

   Statement

   Work done by a frictional force on a sliding body is negative.

Instructions

Decide whether each statement about motion is true or false.

Explanation