Energy and Motion Quiz

Jalisa is rolling down a steep hill. When is her kinetic energy most likely the highest?

• at the bottom of the hill just before she stops moving

• at the bottom of the hill once she has stopped moving

• at the very top of the hill before she has started rolling down the hill

• right after the top of the hill just as she starts rolling down the hill

The table shows the speed and height over time of a ball that starts at rest, then is dropped from the top of a building, which is 60 meters (m) tall. After how many seconds is the ball's kinetic energy at its maximum?

• 0.0

• 1.0

• 2.0

• 2.5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

Which of the following is indicated by the speed of an object?

• direction of the object

• energy of the object

• phase of the object

• volume of the object

Which word best describes the energy of an object in motion?

• potential

• kinetic

• mechanical

• thermal

A student throws a ball in the air. The path that the ball travels is shown. At which two points is the kinetic energy of the ball at its maximum? Choose two points.

• Point 1 and Point 5

• Point 2 and Point 4

• Point 3 and Point 5

• Point 1 and Point 3

What is true about the ball at Point 3?

• The ball has minimum potential energy and maximum kinetic energy.

• The ball has maximum potential energy and minimum kinetic energy.

• The ball has increasing potential energy and decreasing kinetic energy.

• The ball has decreasing potential energy and increasing kinetic energy.

A student is conducting an investigation using rubber bands. She places a rubber band around her thumb and index finger, pulls back, releases the rubber band, and records how far the band travels. She repeats this process while varying the distance in the pullback between her thumb and finger. What is the student MOST LIKELY studying?

• the transformation between potential and kinetic energy

• elasticity

• potential energy

• kinetic energy

A student rolls a ball down a hill. How does the ball's potential and kinetic energy change as it rolls down the hill?

• The ball's potential and kinetic energy both increase.

• The ball's potential and kinetic energy both decrease.

• The ball's potential energy increases, and its kinetic energy decreases.

• The ball's potential energy decreases, and its kinetic energy increases.

Neglecting friction, what happens to the total mechanical energy as the pendulum swings from position A to position B?

• It decreases.

• It increases.

• It remains the same.

• It is not conserved.

How does the law of conservation of energy BEST explain the energy of the cars on the track?

• The kinetic energy of the cars has no effect on the potential energy.

• The cars have potential energy but no kinetic energy.

• The potential energy of the cars is transformed into kinetic energy.

• The cars have kinetic energy but no potential energy.