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WorksheetsEnergy Review
Total questions: 10
Worksheet time: 5mins
As a student walks downhill at constant speed, his gravitational potential energy
increases and his kinetic energy increases
increases and his kinetic energy remains the same
decreases and his kinetic energy increases
decreases and his kinetic energy remains the same
Which graph best represents the relationship between the potential energy stored in a spring and the change in the spring’s length from its equilibrium position?
1
2
3
4
In the diagram below, an ideal pendulum released from position A swings freely to position B. As the pendulum swings from A to B, its total mechanical energy
decreases, then increases
increases, only
increases, then decreases
remains the same
If the speed of a moving object is doubled, the kinetic energy of the object is
halved
doubled
unchanged
quadrupled
A car uses its brakes to stop on a level road. During this process, there must be a conversion of kinetic energy into
light energy
nuclear energy
gravitational potential energy
internal energy
When 150 joules of work is done on a system by an external force of 15 newtons in 20. seconds, the total energy of that system increases by
150J
200J
300J
2300 J
A shopping cart slows as it moves along a level floor. Which statement describes the energies of the cart?
The kinetic energy increases and internal energy decreases.
The kinetic energy increases and the internal energy increases.
The kinetic energy decreases and the internal energy decreases.
The kinetic energy decreases and the internal energy increases.
A ball is dropped from the top of a cliff. Which graph best represents the relationship between the ball’s total energy and elapsed time as the ball falls to the ground?
1
2
3
4
As the time required to do a given quantity of decreases, the power developed
decreases
increases
remains the same
A block slides across a rough, horizontal tabletop. As the block comes to rest, there is an increase in the block-tabletop system’s
gravitational potential energy
elastic potential energy
kinetic energy
internal (thermal) energy
