Better energy Flashcards

(43 cards)

1
Q

What is kinetic energy?

A

All moving things

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2
Q

Formula for energy and work

A

a dog WFS

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3
Q

Formula for weight and mass

A

W iggly M assey G rows

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4
Q

Formula for gravitational potential energy

A

Eg G M c H am

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5
Q

Formula for Kinetic energy

A

E very 0.5M V elocity squares

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6
Q

Formula for velocity

A

V=distance/time

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7
Q

Formula for elastic potential energy

A

E very 0.5
K ids E vaporate twice

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8
Q

Formula for efficiency

A

Useful output/total input

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9
Q

Formula for power

A

E very P lanet T urns

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10
Q

What does W stand for? Energy and work

A

Work

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11
Q

What is W measured in

A

Joules

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12
Q

What does F stand for?

A

Force

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13
Q

What is F measured in

A

Newtons

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14
Q

What does s stand for

A

Distance

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15
Q

What is s measured in

A

meters

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16
Q

What does w stand for? Weight and mass

A

Weight

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17
Q

What is w measured in

A

newtons

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18
Q

What does m stand for

19
Q

What is mass measures in

20
Q

What does g stand for

A

Gravitational field strength

21
Q

What is g measured in

22
Q

What is gravity on earth

23
Q

What does Eg stand for

A

gravitational potential energy

24
Q

What does h stand for

25
What is height measured in
Meters
26
What does Ek stand for
Kinetic potential energy
27
What does v stand for
Velocity
28
What is velocity measured in
M/s
29
What does Ee stand for
Elastic potential energy
30
What does k stand for
Spring constant(how easy it is to stretch higher the number the less stretchy
31
What does k measure in
N/m
32
What does e stand for
Extension
33
How do you measure e
Meters
34
What does p stand for
Power
35
what is p measured in
Watts
36
What is the principle of conservation of energy
Energy cannot be created or destroyed only transferred
37
What are the 4 transfers of energy
Mechanical working Electrical working Heating by particles Heating by radiation
38
What is mass
measuring amount of physical material of an object
39
What is weight
Is measuring the force from gravity
40
What is GPE
energy stored in an object by its position above the ground
41
What is kinetic energy
Is the energy stored by an objects movement
42
What is elastic potential energy
The stretch of sn object
43
What is power
Power is a measured of how quickly energy is transferred