AP Physics Energy

Quiz
•
Science
•
12th Grade
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The space shuttle (RIP) used to be transported to its launch pad by a large mobile platform. If the platform holds up the space shuttle 4.5x106kg while rolling 800m to the launch pad, how much work does it do in holding up the shuttle?
More than 0 but less than 1x105 J
More than 1x105J but less than 1x107J
More than 1x107 J but less than 1x109 J
More than 1x109 J
0 J
Tags
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ian and Steve ski down the 75 m slope in 80 seconds using 400 N of penguin force. Calculate their penguin power!
375 W
37.5 W
426.7 W
240 000W
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How are work and energy related?
The work done by an external force acting on an object causes a change in the mechanical energy of the object.
Work is the same thing as energy. They are equal.
Energy is mgh, and work is mv2/2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bob (80 kg) uses 180 N of force to get him up the slope. The vertical distance is 2 m and the diagonal is 10 m. Calculate the work he does.
1600 J
160 J
3600 J
1800 J
Tags
NGSS.HS-PS2-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Groot rescues Rocket from the bottom of a deep pit. Groot expends 1000 J of energy lifting Rocket who has a mass of 50 kg out of the pit. How deep is the pit?
0.5 m
2 m
4 m
10 m
Tags
NGSS.MS-PS2-4
NGSS.MS-PS3-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bowling Ball A is dropped from a point halfway up a cliff. A second identical bowling ball, B, is dropped
simultaneously from the top of the cliff. Comparing the bowling balls at the instant they reach the ground,
which of the following are correct? Neglect air resistance.
Ball A has half the kinetic energy and takes half the time to hit the ground as Ball B.
Ball A has half the kinetic energy and takes one-fourth the time to hit the ground as Ball B.
Ball A has half the final velocity and takes half the time to hit the ground as Ball B.
Ball A has one-fourth the final velocity and takes one-fourth the time to hit the ground as Ball B.
None of these are correct.
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A child pushes horizontally on a box of mass m which moves with constant speed v across a horizontal floor.
The coefficient of friction between the box and the floor is μ. At what rate does the child do work on the box?
μmgv
mgv
μmg/v
mgv/μ
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