physics formula and meaning Flashcards

1
Q

what is kinetic energy

A

energy object has if it’s moving

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

gravitational potential energy

A

the energy an object has because of how high the drop is between the object and ground

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

gravity

A

the force that pulls objects towards each other

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

work done

A

if you push or pull something the amount of energy transfers when a force moves an object.

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

latent heat

A

the amount of energy required to change the state of a substance.

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

electrical power

A

how fast energy is used or made. It shows how much energy is used in a certain time.

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

thermal energy

A

Thermal energy is the heat energy in something. It’s caused by the movement of tiny particles. More movement means more heat.

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

Ek = 1/2mv

A

kinetic energy

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

ΔEp = mgΔh

A

gravitational potential energy

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

g = 10 N kg^−1

A

gravity on earth

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

W = Fd

A

work done

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

E(thermal) = mcΔT

A

thermal energy

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

E(thermal) = mL

A

latent heat

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

P = VI

A

electrical power

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

V = RI

A

electrical components interact in a circuit

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

ΔE = PΔt

A

how much energy is used or produced over a specific time

17
Q

what does ‘m’ stand for in an equation

A

mass (kg)

18
Q

what does ‘v’ stand for in an equation for speed

A

velocity