Worksheets9.01: Work and Kinetic Energy Quiz
Total questions: 18
Worksheet time: 14mins
What are the units of force?
Newtons
Grams
Joules
Meters
What is the formula for work?
Force = work × distance
Distance = force × work
Work = force × distance
Work = force × mass
What are the units of work?
Newtons
Grams
Joules
Meters
Work is a...
scalar quantity.
vector quantity.
If an object does not move then what is happening?
nothing
work
power
no work is being done on the object
4 m.
If you push a cart with a force of 60 N for 2 m, how much work have you done?
120 J
30 J
120 N
30 N
What is energy?
something that picks up things, like a magnet.
Motion of an object
ability to do work
magic rays of sunshine that come down when you're feeling blue.
What is the unit of energy?
Joules
Watts
Ohms
Newtons
Energy is a...
scalar quantity.
vector quantity.
Which is the correct formula for the kinetic energy (Ek) of an object of mass, m , moving with a velocity, v ?
Ek=mv2
Ek = 21mv2
Ek = m2v
Ek = mv
Which has a greater impact on the kinetic energy of an object?
mass of the object
velocity of the object
As the velocity of an object decreases its kinetic energy will...
increase
decrease
stay the same
What is the kinetic energy of a football which has a mass of 0.8 kg and is kicked at a velocity of 10 ms-1 ?
80 J
3.2 J
160 J
40 J
What is the mass of a moving object that has 100 J of kinetic energy and moves at a velocity of 2 m/s?
50 kg
200 kg
25 kg
100 kg
Where would this tossed baseball have the least amount of kinetic energy?
point W
point X
point y
point z
Where would this tossed baseball have the greatest amount of kinetic energy?
point W
point X
point y
point z
A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?
1457 Joules
22,584 Joules
15 Joules
45,167Joules
