Equations Flashcards

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1
Q

What is the equation for pressure

A

Force normal to a surface/Area of surface

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2
Q

What is the equation for distance

A

Speed x Time

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3
Q

What is the equation for acceleration

A

Change in velocity/ Time taken

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4
Q

What is the equation for power with p.d and current

A

Potential difference x Current

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5
Q

What is the equation for power energy transferred and time

A

Energy transferred/ Time

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6
Q

What is the equation for resultant force

A

Mass x Acceleration

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7
Q

What is the equation for potential difference

A

Current x Resistance

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8
Q

What is the equation for wave speed

A

Wavelength x Frequency

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9
Q

What is the equation for a moment of a force

A

Force x Distance

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10
Q

What is the equation for momentum

A

Mass x Velocity

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11
Q

What is the equation for charge flow

A

Current x Time

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12
Q

What is the equation for weight

A

Mass x Gravitational field strength

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13
Q

What is the equation for power with current and resistance

A

Current squared x resistance

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14
Q

What is the equation for energy transferred with power and time

A

Power x Time

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15
Q

What is the equation for energy transferred with charge and p.d

A

Charge x Potential difference

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16
Q

What is the equation for Magnification

A

Image height/ Object height

17
Q

What is the equation for Kinetic energy?

A

0.5 x Mass x Speed squared

18
Q

What is the equation for efficiency

A

Useful output/ total input

19
Q

What is the equation for power with work done and time

A

Work done/ Time

20
Q

What is the equation for the force of a spring

A

Spring constant x Extension