Rotation 1 equations

Question 1

What is the equation for work done?

Answer 1

Work done = force x distance

Question 2

What is the equation for kinetic energy?

Answer 2

Kinetic energy = 1/2 x mass x velocity^2

Question 3

What is the equation for gravitational potential energy?

Answer 3

Ep = mass x gravity x height

Question 4

What is the equation linking power, energy transferred and time?

Answer 4

P = E/t

Question 5

What is the equation linking power, work done and time?

Answer 5

P = W/t

Question 6

What is the equation for efficiency?

Answer 6

Efficiency = Useful output / Total output

Question 7

What is the equation for elastic potential energy?

Answer 7

Ee = 1/2 x spring constant x extension^2

Question 8

What is the equation for specific heat capacity?

Answer 8

Change in thermal energy = mass x specific heat capacity x temperature change

Question 9

What is the equation for specific latent heat?

Answer 9

Thermal energy for a change in state = mass x specific latent heat