Question 1
What is the best description of gravitational potential energy near Earth's surface?
Question 2
If an object is lifted straight up at constant speed, what happens to its gravitational potential energy?
Question 3
Which situation best shows elastic potential energy?
Question 4
What is the SI unit of potential energy?
Question 5
If the reference level for gravitational potential energy is changed, what happens to the value of $U_g$ for a particular object?
