WorksheetsEnergy Quiz
Total questions: 12
Worksheet time: 25mins
A 2000 kg car is traveling at 30 m/s on a level road. Calculate the energy the car?
Kinetic Energy of the car= 900000 Joules
Potential Energy of the car= 900000 Joules
Mechanical Energy of the car= 200000 Joules
All the above
The total mechanical energy of an object is the ______.
KE minus the PE of the object
PE minus the KE of the object
The initial KE plus the initial PE of the object
KE plus the PE of the object at any instant during its motion
Final amount of KE and PE minus the initial amount of KE and PE
A 2 kg ball is at rest at the top of a 30 meter tall hill. What is the ball’s total mechanical Energy?
320 Joules
588 Joules
687 Joules
489 Joules
What is the potential energy of the ball at the top of the hill
482J
539J
328J
686J
At which point is the kinetic energy equal to zero?
I
II
III
IV
What is the mechanical energy of the ball at position IV?
686J
482J
539J
328J
At which point is the potential energy equal to zero?
I
II
III
IV
What is the kinetic energy of the ball at position IV?
539J
686J
147J
232J
What is the velocity of a 6kg ball as it rolls on the floor with a kinetic energy of 100J ?
57 m/s
5.7 m/s
577 m/s
None of the above
The potential energy of a 5kg rock on top of a hill is 600J. What is the height of the hill?
14m
16m
12m
10m
This picture is an example of what type of energy.
Kinetic energy
Elastic potential energy
Gravitational potential energy
Thermal energy
Which of the following statements is true?
The kinetic energy after the arrow is released will be equal to the potential energy before the arrow is released.
When the arrow is released, the kinetic energy will be greater than the potential energy before it was released.
The mechanical energy will be greater after the arrow is released than before.
The kinetic energy will be zero when the arrow is released.
