Equations for paper 2

Question 1

What is the equation for working out a moment?

Answer 1

Moment = force x distance

Question 2

What is the equation for working out distance?

Answer 2

Distance = speed x time

Question 3

What is the equation for working out acceleration?

Answer 3

Acceleration = change in velocity / time taken

Question 4

What is the equation for working out weight of an object?

Answer 4

Weight = mass x gravity

Question 5

What is the equation for working out Force? (extension)

Answer 5

Force = spring constant x extension

Question 6

What is the equation for working out Force? (acceleration)

Answer 6

Force = mass x acceleration

Question 7

What is the equation for working out momentum?

Answer 7

Momentum = mass x velocity

Question 8

What is the equation for working out Pressure over an area?

Answer 8

Pressure = force / area

Question 9

What is the equation for working out wave speed?

Answer 9

Wave speed = wavelength x frequency

Question 10

What is the equation for working out pressure in a column of liquid?

Answer 10

Pressure = height of the column x density of the liquid x gravitational field strength

Question 11

What is the equation for working out work done (kinetic energy)?

Answer 11

Work done (kinetic energy) = force x distance (breaking distance)