True or false on energy

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Kinetic energy is a scalar.

2. Statement is true

   No

   Statement

   A spring force is a constant force.

3. Statement is true

   Yes

   Statement

   The spring force is conservative.

4. Statement is true

   No

   Statement

   Spring work round a cycle is large.

5. Statement is true

   Yes

   Statement

   At the top the energy is purely potential.

6. Statement is true

   No

   Statement

   Friction has a potential energy.

Instructions

Decide whether each statement is true or false.

Explanation