# Equation List Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Acceleration Equation

A

v-u / t = a

Change in Velocity (m/s) / Time (s) = Acceleration (m/s2)

2
Q

Forces Equation

A

f=m x a

Force= Mass x Acceleration

3
Q

Momentum Equation

A

Δp = f x t

Change in Momentum = Force x Time

4
Q

Power Equation

A

W = P x t

5
Q

Hooke’s Law

A

F= k x e

6
Q

Weight and mass equation

A

W = m x g

7
Q

Wave Equation

A

v = f x λ

Velocity (m/s) = Frequency (Hz) x Wavelength (m)

8
Q

Speed Equation

A

s = d / t

Speed (m/s) = Distance (m) / Time (seconds)

9
Q

Efficiency (Energy)

A

Efficiency = useful energy in / useful energy out

(x 100%)

No Units

10
Q

Efficiency (Power)

A

Efficiency = useful power out / useful power in

x 100%

11
Q

Time period

A

T = 1 / f

Time (seconds) = 1 / frequency (Hz)

Relates to waves topic

12
Q

Moments

A

M (or ρ) = F x d

Moments (Nm) = Force (N) X (perpendicular) distance (m)

13
Q

Pressure equation

A

P = F / A

Pressure (N/m2 or N/cm2) = Force (N) / Area (m2 or cm2)

14
Q

Velocity Equation

A

V = s / t

Velocity (m/s) = displacement (m) / time taken (s)