Where the energy goes

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   With no friction the total mechanical energy stays constant.

2. Statement is true

   Yes

   Statement

   Kinetic and potential energy both change with time.

3. Statement is true

   No

   Statement

   The total energy changes with time even without friction.

4. Statement is true

   No

   Statement

   At maximum displacement the kinetic energy is greatest.

Instructions

Tap True or False for each statement.

Explanation