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)
