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Physics Practical > Equations > Flashcards

Equations Flashcards

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1
Q

What is the equation for speed?

A

Speed= distance travelled
—————————-
Time taken

D = S x T

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2
Q

What is the equation for average velocity?

A

Average velocity = displacement
———————
Time
OR

Av velo.= initial velocity + final velocity
—————————————
2

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3
Q

What is the equation for force?

A

Force = Mass x Acceleration

F=ma

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4
Q

What is the equation for weight?

A

Weight = Mass x Gravity

W=mg

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5
Q

What is the equation for hookes law?

A

Force=spring constant x extension

F=ke

(K = spring constant)
(E = extension)

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6
Q

How can you calculate the gradient of hookes law graph?

A

Stretching force
————————
Extension

= spring constant

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7
Q

What is the equation for pressure?

A

P=F
—-
A

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8
Q

What is the equation for the moment of a force?

A

Force x Perpendicular distance from pivot

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9
Q

What is the equation for a moment?

A

F x D

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10
Q

What is the equation for average speed?

A

Distance travelled
—————————
Time taken

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11
Q

What is the equation for density?

A

Mass
———
Volume

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12
Q

What is the equation for work done in power?

A

Force x vertical height

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13
Q

What is the equation for vertical height in power?

A

Number of steps x Average height of 1 step

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14
Q

What is the equation to calculate the persons average power?

A

Work done
——————
Time taken

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15
Q

What is the equation for ohms law?

A

V = IR

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16
Q

What is the equation for resistance of a metallic conductor?

A

Voltage
————
Current

17
Q

What is the equation for the strength of a magnetic field?

A

Ns Vs
— = —
Np Vp

Physics Practical (3 decks)

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