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Physics > Equations > Flashcards

Equations Flashcards

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1
Q

What is the word equation for velocity

A

velocity = distance / time

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2
Q

What is the symbol equation for velocity

A

v = s/t

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3
Q

What is the word equation for weight

A

Weight = mass x gravitational field strength

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4
Q

What is the symbol equation for weight

A

W = mg (note that “w” must be uppercase)

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5
Q

What is the word equation for inertial mass (Newtons 1st Law)

A

inertial mass = force / acceleration

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6
Q

What is the symbol equation for inertial mass

A

m = f/a

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7
Q

What is the word equation for resultant force (Newton’s 2nd law)

A

Resultant force = mass x inertial mass

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8
Q

What is the symbol equation for resultant force?

A

f = am

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9
Q

What is the word equation for uniform acceleration (you are not given the time)

A

final velocity squared - initial velocity squared = 2 x acceleration x distance

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10
Q

What is the symbol equation for uniform acceleration (you are not given the time)

A

v2 - u2 = 2as

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11
Q

What is the word equation for acceleration (you are
given the time)

A

acceleration = change in velocity/ time

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12
Q

What is the symbol equation for acceleration (you are
given the time)

A

a = v - u / t

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13
Q

What is the word equation for momentum

A

momentum = mass x velocity

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14
Q

What is the symbol equation for momentum

A

p = mv

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15
Q

What is the unit for momentum

A

Kgm/s

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16
Q

What is the unit for acceleration

A

m/s^2

17
Q

What is the unit for mass

A

Newtons (N)

18
Q

What is Newton’s first law

A

An object at rest will stay at rest and an object in motion will stay in uniform motion unless acted upon by an unbalanced force

19
Q

What is Newton’s second law

A

Resultant force = mass x acceleration

20
Q

What is the word equation for change in momentum?

A

Change of momentum = Resultant force x time for which the force acts

21
Q

What is the symbol equation for change in momentum

A

(delta) p = f / t

22
Q

In a symbol equation, what symbol represents distance?

A

s

23
Q

In a symbol equation, what symbol represents momentum?

A

p

24
Q

What is the word equation for power (elecrical) (you are given the voltage)

A

power = voltage x current

25
Q

What is the word equation for power (electrical) (you are not given the voltage)

A

power = current^2 x resistance

26
Q

What is the symbol equation for power (electrical) (you are given the voltage)

A

P = VI

27
Q

What is the symbol equation for power (electrical) (you are not given the voltage)

A

P = I^2 x R

28
Q

In a symbol equation, what does a capital I represent

A

Current

29
Q

What is Ohms Law (symbol)

A

R = V/I

30
Q

What is the symbol equation for voltage

A

V = E / Q

31
Q

What is the word equation for voltage

A

Voltage = Energy / Charge

32
Q

What is the letter used to represent charge in a symbol equation

A

Q

33
Q

What is the word equation for current

A

current = charge / time

34
Q

What is the symbol equation for charge

A

A = Q/t

35
Q

What is the unit for charge

A

Coloumb

36
Q

What is the unit for current

A

Ampere (A)

37
Q

What is the unit for resistance

A

Ohms (omega symbol lol)

Physics (3 decks)

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