equations Flashcards
Which equation links density, mass and volume?
density = mass/volume
p = m/V
Which equation links work done, force and distance?
Work done = force/distance
W = F/s
Which equation links kinetic energy, mass and speed?
kinetic energy = 0.5 x mass x (speed)𝟐
Ke = 1/2 m v²
Which equation links gravitational potential energy, gravitational field strength, mass and height?
gravitational potential energy = mass x gravitational field strength x height
gpe = mgh
Which equation links energy, power and time?
power = energy transferred / time
P = E/t
Which equation links power, time and work done?
power = work done / time
P = W/t
Which equation links efficiency, total power output and useful output?
efficiency = useful power output / total power output
Which equation links payback time, total initial cost and yearly savings?
payback time = total initial cost / yearly savings
Which equation links charge flow, current and time?
charge flow = current / time
Q = I t
Which equation links current, potential difference, and resistance
potential difference = current x resistance
V = I R
Which equation links current, potential difference and power?
power = current x potential difference
P = I V
Which equation links current, power and resistance?
power = (current)² x resistance
P = I² R
Which equation links energy transferred, power and time
energy transferred = power x time
E = Pt
Which equation links charge flow, energy transferred and potential difference?
energy transferred = charge flow x potential difference
Which equation links distance travelled, speed and time?
speed = distance / time
d = s / t
Which equation links acceleration, time taken and velocity?
acceleration = change in velocity / time taken
Which equation links acceleration, mass and resultant force?
resultant force = mass x acceleration
