Quick picks on energy

Exercise and reference answers

Questions

1. Question

   Kinetic energy is a quantity that is:

   Choices

   1. Scalar
   2. Vector
   3. Tensor

   Correct choice

   Scalar

2. Question

   The spring force law is named after:

   Choices

   1. Newton
   2. Hooke
   3. Joule

   Correct choice

   Hooke

3. Question

   Spring work around a cycle comes to:

   Choices

   1. Large
   2. Half
   3. Zero

   Correct choice

   Zero

4. Question

   At the ground the energy is fully:

   Choices

   1. Kinetic
   2. Potential
   3. Thermal

   Correct choice

   Kinetic

5. Question

   The spring is treated as:

   Choices

   1. Very heavy
   2. Massless
   3. Rigid

   Correct choice

   Massless

Instructions

Tap the correct answer before the round moves on.

Explanation