Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PHY S 100 BYU > Chapter 9 Energy > Flashcards

Chapter 9 Energy Flashcards

1
Q

Energy that depends on the position of an object or on the positions of an object’s constituent parts.

A

Potential Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The form of energy associated with motion. The kinetic energy of an object in motion is given by KE =1/2mass x speed2.

A

Kinetic Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A name given to the kinetic or potential energy of large, macroscopic objects.

A

Mechanical Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Energy hidden with in matter, manifest in temperature, burning or explosion.

A

Internal Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Energy stored in an object, with the potential to fall.

A

Gravitational Potential Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Energy = 1/2 mass x speed2

A

Kinetic energy at low speed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

energy = weight x height

A

Gravitational potential energy formula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Energy transferred to or from an object

A

Work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Total kinetic energy of random motion in material.

A

Thermal energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Perpetual motion machine that keeps moving forever with no energy added.

A

Perpetual Motion Machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Transmission of electrical charge or heat through a conduction medium with out motion

A

Conduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Energy is moved by being stored in matter as internal energy, them moving matter from one place to another.

A

Convection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Energy is moved in the form of light or x-rays, gamma rays, microwaves…

A

Radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Energy associated with physical and chemical states of matter. Example: car battery

A

Chemical potential energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Internal energy associated with stretching or compressing material.

A

Elastic potential energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Energy stored in the nucleus of an atom.

A

Nuclear potential energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Depends on an object’s position.

A

potential energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Depends on the position and motion of the object on the atomic scale.

A

internal energy

19
Q

Weight times height.

A

gravitational potential energy

20
Q

Depends on the position and motion of the whole object

A

mechanical energy

21
Q

Moving an object in the direction of an applied force.

A

work

22
Q

Something that keeps moving forever without any energy being added.

A

perpetual motion machine

23
Q

Depends on an object’s motion.

A

kinetic energy

24
Q

Energy moves through direct contact.

A

conduction

25
Q

Heat is transferred when the hot material moves around.

A

convection

26
Q

Direct transfer of heat form one place to another without any need for intervening matter.

A

radiation

27
Q

Energy associated with chemical bonds.

A

chemical potential energy

28
Q

Depends on the position of atoms and molecules .

A

elastic potential energy

29
Q

Depends on the position of protons and neutrons in the nucleus.

A

nuclear potential energy

30
Q

Speed plays a more significant role than mass in determining an object’s kinetic energy.

A

true

31
Q

Gravitational potential energy decreases as the distance between two objects increases.

A

false

32
Q

If an object remains stationary then no work is being done on it.

A

true

33
Q

In the process of conduction, both matter and energy are exchanged.

A

false

34
Q

The closer the protons and neutrons are to each other, the lower the nuclear potential energy.

A

true

35
Q

Mass and energy are really two ways of measuring the same thing.

A

true

36
Q

The heat you feel on your face from a campfire when the surrounding air is cold is an example of radiation.

A

true

37
Q

Energy can be defined as

A

both of the above

38
Q

If you move two positively charged objects closer together, then electrical potential energy

A

increases

39
Q

Two objects with opposite charges are brought closer together. Electrical potential energy

A

decreases

40
Q

As you dribble a basketball, which of the following quantities is/are conserved?

A

total energy

41
Q

If an object has kinetic energy, then it must be

A

moving

42
Q

Work is always done on an object when

A

a force acts on an object which is moving in the direction of the force

43
Q

As you are skiing downhill, which of the following must be true?

A

Your gravitational potential energy decreases

44
Q

“Pair production” demonstrates which of the following?

A

Conservation of mass-energy.

PHY S 100 BYU (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions