AP Physics 1easymcq1 pt
A ball is thrown straight up. As it rises, its kinetic energy decreases because
A.gravity does negative work on it
B.mass decreases with height
C.energy is destroyed
D.the air removes it entirely
Explanation
Core Concept
The upward displacement opposes the downward gravity force, so gravity removes energy.
Correct Answer
Agravity does negative work on it
More Unit 4: Energy practice questions
- mediumA 0.30 kg block hits a spring (k = 300 N/m) at 4.0 m/s. The spring's maximum compression is
- easyA motor lifts a 100 kg elevator at a constant 2.0 m/s (g = 10 m/s²). The motor's power output is
- hardA skier of mass 70 kg starts from rest at the top of a 30 m slope with 5.0 m of vertical drop and reaches the bottom at 8.0 m/s (g = 10 m/s²…
- easyA force of 12 N acts on a 3.0 kg block initially at rest on frictionless ice for 2.0 m. The block's final speed is
- easyA 2.0 kg ball is thrown horizontally from a 5.0 m cliff at 4.0 m/s (g = 10 m/s²). Its kinetic energy just before impact is
Practice more AP Physics 1 questions with full explanations
Practice Unit 4: Energy Questions →