Booklet 1A - Dynamics (Equations) Flashcards

1
Q

d = vt

(Define symbols and units)

A

d - total distance (m) or (km)

v - average speed (ms-1) or (kmh-1)

t - total time (s) or (h)

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2
Q

s = vt

(Define symbols and units)

A

s - resultant displacement (m) or (km)

v - average velocity (ms-1) or (kmh-1)

t - total time (s) or (h)

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3
Q

v = u + at

(Define symbols and units)

A

v - final velocity (ms-1)

u - initial velocity (ms-1)

a - acceleration (ms-2)

t - time (s)

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4
Q

s = ut + ½at2

(Define symbols and units)

A

s - displacement (m)

u - initial velocity (ms-1)

t - time (s)

a - acceleration (ms-2)

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5
Q

v2 = u2 + 2as

(Define symbols and units)

A

v - final velocity (ms-1)

u - initial velocity (ms-1)

a - acceleration (ms-2)

s - displacement (m)

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6
Q

s = ½(u + v)t

(Define symbols and units)

A

s - displacement (m)

u - initial velocity (ms-1)

v - final velocity (ms-1)

t - time (s)

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7
Q

W = mg

(Define symbols and units)

A

W - Weight (N)

m - mass (kg)

g - gravitational field strength (Nkg-1)

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8
Q

F = ma

(Define symbols and units)

A

F - Force (N)

m - mass (kg)

a - acceleration (ms-2)

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9
Q

Ew = Fd

(Define symbols and units)

A

Ew - Work Done (J)

F - Force (N)

d - distance (m)

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10
Q

Ep = mgh

(Define symbols and units)

A

Ep - Gravitational Potential Energy (J)

m - mass (kg)

g - gravitational field strength (Nkg-1)

h - height (m)

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11
Q

Ek = ½mv2

(Define symbols and units)

A

Ek - Kinetic Energy (J)

m - mass (kg)

v - speed (ms-1)

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12
Q

P = E/t

(Define symbols and units)

A

P - Power (W)

E - Energy/Work Done (J)

t - time (s)

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13
Q

p = mv

(Define symbols and units)

A

p - Momentum (kgms-1)

m - mass (kg)

v - velocity (ms-1)

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14
Q

Ft = mv - mu

(Define symbols and units)

A

F - (Average) Force (N)

t - time (s)

m - mass (kg)

v - final velocity (ms-1)

u - initial velocity (ms-1)

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