Energy Part 1

Question 0

On a hill where is potential energy the highest?

Answer 0

At the very top of the hill.

Question 1

What is potential energy?

Answer 1

It is energy that is stored and waiting to be used later.

Question 2

How do you find gravitational potential energy?

Answer 2

Mass•height

Question 3

What is potential energy keyed off of?

Answer 3

It is due to an objects position.

Question 4

What has more potential energy? A ball with greater mass or lesser mass dropped from the same height.

Answer 4

The greater the mass the more the potential energy.

Question 5

Where is potential energy the least on a hill?

Answer 5

At the bottom of the hill.

Question 6

Does the potential energy increase it drop height or mass increases?

Answer 6

Yes the potential energy always increases if the drop height or mass does.

Question 7

If an object is moving does it have energy?

Answer 7

Yes this is called kinetic energy the energy of motion.

Question 8

What does the objects kinetic energy depend on?

Answer 8

How much mass the object has.

Question 9

What is kinetic energy proportional to?

Answer 9

Is it proportional to mass.

Question 10

What is kinetic energy also proportional to?

Answer 10

It is directly proportional to the square of the objects speed.

Question 11

If the mass increases so does the ____?

Answer 11

Kinetic energy, more KE means the object has more force.

Question 12

If a bowling ball with a greater mass had more kinetic energy how hard will it hit the pins?

Answer 12

It will hit the pins with more force then a bowling ball with less mass.

Question 13

If a ladder is climbed what you increases?

Answer 13

The potential energy.

Question 14

What happens if you are on a ladder and you drop a paint can which energy increases?

Answer 14

Kinetic energy increases.

Question 15

When is kinetic energy highest on a ladder?

Answer 15

Right before it hits the ground.

Question 16

If you drop a paint can with a greater mass and a lesser mass from the 2nd rung due to the 5th. What happens?

Answer 16

Both potential energy and kinetic energy are lower.

Question 17

On a roller coaster when is kinetic and potential energy at maximum?

Answer 17

1. At the bottom of the highest hill.

2. At the top of the highest hill.

Question 18

Which energy is highest at the top of hills/bottom of hills.

Answer 18

1. Potential energy

2. Kinetic energy

Question 19

Does potential energy or kinetic energy ever disappear completely?

Answer 19

No.

Question 20

Can potential energy be changed to kinetic energy?

Answer 20

Yes.

Question 21

What energy increases as you climb a ladder/increase as you climb down?

Answer 21

Potential and kinetic energy.

Question 22

If an object has more mass instead of less mass which has the greater energies?

Answer 22

The greater mass object has more potential and kinetic energy.

Question 23

________ potential energy=higher bounce height

Answer 23

Higher

Question 24

The more the mass means the more the _________ energy?

Answer 24

potential

Question 25

What effects the potential energy?

Answer 25

Height and mass.

Question 26

How do you find kinetic energy?

Answer 26

Mass•velocity•velocity/2

Question 27

In the Bottle Rolling lab why were more trials accurate then one?

Answer 27

Because human error could occur of the board could be tilted or the bottle could not roll straight or the different people could use force to push the bottle instead of just letting go.