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WorksheetsEnergy and Momentum Test Review
Total questions: 25
Worksheet time: 14mins
Which of the following is the SYMBOL for work?
W
J
E
p
Which of the following is the UNIT for work?
W
J
P
N
What is WORK?
The process of transferring energy
Effort expended in performing as task
A force which transfers energy
The product of force and distance
Which of the following is required to perform work?
A force must be applied
An object must move a distance
The force must cause the motion
Momentum must change
Determine the amount of work done to move a car 50 meters forward with a 50,000 N force.
1000 J
10,000 J
250,000 J
2,500,000 J
What is the SYMBOL for power?
W
P
J
F
What is the UNIT for power?
J
W
F
N
What is the general equation for Power?
P = Fd
P = F / t
P = W/t
P = mv
6,000 J of work at performed in 10 seconds. How much power is exerted?
60,000 W
6,000 W
600 W
60 W
A box is moved across the floor 5 meters in 5 seconds by a 20 N force. Determine the power exerted?
5 W
20 W
100 W
500 W
What is ENERGY?
Energy is work
Energy is the ability to do work
The process of doing work
The rate at which work is done.
If work is done to lift an object into the air, it is given
gravitational potential energy
elastic potential energy
kinetic energy
thermal energy
If work is done to stretch an elastic object, it is given
gravitational potential energy
elastic potential energy
kinetic energy
thermal energy
If work is done to move an object, it is given
gravitational potential energy
elastic potential energy
kinetic energy
thermal energy
Heat energy is also known as
gravitational potential energy
elastic potential energy
kinetic energy
thermal energy
Which of the following describes the LAW OF CONSERVATION OF ENERGY?
Energy cannot be created or destroyed
Preventing the loss of energy
The total energy in a closed system remains constant
No thermal energy
Determine the potential energy of a 3 kg object raised to a height of 5 meters.
98 J
147 J
196 J
256 J
A 10,000 kg car is traveling at 30 m/s. Determine the kinetic energy of the car.
450 J
900 J
4,500,000 J
9,000,000 J
A 200 kg cart is poised at the top of a 3.15 meter tall hill at point A. It starts from rest and rolls down the hill till point B. Determine the potential energy of the cart at point A.
3425 J
4536 J
6174 J
8790 J
A 200 kg cart is poised at the top of a 3.15 meter tall hill at point A. It starts from rest and rolls down the hill till point B. Determine the kinetic energy of the cart at point A.
0 J
4536 J
6174 J
8790 J
A 200 kg cart is poised at the top of a 3.15 meter tall hill at point A. It starts from rest and rolls down the hill till point B. Determine the total energy of the cart at point A.
0 J
4536 J
6174 J
8790 J
A 200 kg cart is poised at the top of a 3.15 meter tall hill at point A. It starts from rest and rolls down the hill till point B. Determine the potential energy of the cart at point B.
0 J
4536 J
6174 J
8790 J
A 200 kg cart is poised at the top of a 3.15 meter tall hill at point A. It starts from rest and rolls down the hill till point B. Determine the kinetic energy of the cart at point B.
0 J
4536 J
6174 J
8790 J
A 200 kg cart is poised at the top of a 3.15 meter tall hill at point A. It starts from rest and rolls down the hill till point B. Determine the speed of the cart at point B.
0 m/s
7.86 ms
9.8 m/s
12.64 m/s
When friction is introduced into a system, mechanical energy is transformed into which of the following?
sound
light
heat
potential
