Equations

Question 1

What formula relates speed, distance, and time?

Answer 1

speed = distance / time

Question 2

What formula relates force, mass, and acceleration?

Answer 2

force = mass * acceleration

Question 3

What formula relates acceleration, change in velocity, and time?

Answer 3

acceleration = change in velocity / time taken

Question 4

What formula relates weight, mass, and gravitational field strength?

Answer 4

weight = mass * gravitational field strength

Question 5

What formula relates momentum, mass, and velocity?

Answer 5

mass = momentum * velocity

Question 6

What is the formula for efficiency?

Answer 6

useful energy transferred by the device / total energy supplied to the device

Question 7

What formula relates wave speed, frequency, and wavelength?

Answer 7

wave speed = frequency * wavelength

Question 8

What formula relates wave speed, distance (wavelength), and time (period)?

Answer 8

wave speed = distance / time

Question 9

What formula relates density, mass, and volume?

Answer 9

density = mass / volume

Question 10

What formula relates work done, distance (moved in direction of force), and force?

Answer 10

work done = force * distance

Question 11

What formula relates (change in) GPE, mass, distance, and (change in) height?

Answer 11

(change in) GPE = mass * distance * (change in) height

Question 12

What formula relates KE, mass, and velocity?

Answer 12

KE = 1/2 * mass * velocity squared

Question 13

What formula relates power, work done, and time (taken)?

Answer 13

power = work done / time taken