Speed and Energy Quiz

Which is evidence that a bowling ball has more energy when it is moving faster than when it is moving slower?

• The bowling ball has a larger mass when it is moving faster than when it is moving slower.

• The bowling ball can knock over more pins when it is moving faster than when it is moving slower.

• The bowling ball will reach the pins in less time when it is moving faster than when it is moving slower.

• A bowling ball can knock over more pins than a soccer ball moving at the same speed.

The ___________energy of a roller coaster is the energy of its motion.

• potential

• kinetic

Stretching a coil or spring increases its .

• Kinetic

• Potential

• Direction

• Speed

Because jaguars can run faster than sloths they move with more __________energy than sloths.

• Kinetic

• Moving

• Potential

• Charged

Suppose you are riding a bike. As you increase speed, your __________

• energy of motion increases

• energy of motion decreases

• stored energy increases

• energy is used up

How can the speed of a dropped ball be increased?

If the amount of kinetic energy an object has is______ , then the object will move faster.

• increased

• decreased

Which is not evidence of what happens during a roller coaster ride?

• As the cars go down the hill the energy of motion increases

• As the cars pull to the top of the first hill, the potential energy increases

• As the cars slow down at the end of the ride, the energy of motion decreases.

• As the cars pull to the top of the first hill the potential energy decreases.

The energy of motion is

• determined by an objects position above a surface

• increased as your speed decreases

• decreased as your velocity increases

• not determined by an objects position above a surface

There are two ramps with books standing at the bottom. One ramp is taller than the other. If you roll a ball down each ramp, whic ball will hit the books harder? Explain your answer.