Guide Questions:

1. In what number of the stairs does the potential energy (PE) in maximum level?

2. What is the kinetic energy (KE) at the highest point?

3. What can you say about the kinetic and potential energy at stair number 3?

4. How do you describe the potential energy at stair number 5?

5. What happens to the potential and kinetic energy when the person moves down to the lowest point?

(↓choices↓)
A. Greatest

B. stair number 5

C. PE and KE are equal

D. zero

E. KE increases PE decreases

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