What is the formula for work done?

force x distance

force x velocity

force x time

What is the formula for impulse?

Impulse =

change in momentum

change in kinetic energy

change in velocity

What is the formula for kinetic energy?

½mv²

½mv

mv

mv²

What is the unit for work?

N

J

Ns

m

What is the unit for Impulse?

s

work done =

½mv² - ½mu²

½mv - ½mu

mv² - mu²

v² - u²

impulse =

mv - mu

v - u

mu - mv

What units are moments measured in?

Nm

increase in kinetic energy

increase in momentum

increase in height

Which of these is correct?

Power = force x distance

Power = force x velocity

Power = force x time

Power = distance x velocity

What is the unit used for Power?

W

What is the formula for gravitational potential energy

mh

mgv

mgh

F ≤ µR

F ≥ µR

R ≤ µF

R ≥ µF

What is the formula for the coefficient of restitution?

(speed of separation) / (speed of approach)

(speed of approach) / (speed of separation)

(2 x speed of separation) / (speed of approach)