Font size
WorksheetsWork and Energy
Total questions: 15
Worksheet time: 8mins
The formula for calculating work done is:
Work = force / distance
Work = distance / force
Work = force x distance
The SI unit of work is:
newton (N)
newton metre (Nm)
m/s
joule (J)
If you push a box with a force of 30 N for 2 m, how much work have you done?
15 J
15 N
60 J
60 N
If you carry a box with a weight of 50 N and walks 10 m, what is the work done by your arms?
0 J
0.2 J
5 J
500 J
What is energy?
force x distance
ability to do work
force
moments
What is potential energy?
energy associated with motion
stored energy
heat energy
sound energy
What is kinetic energy?
heat energy
sound energy
store energy
energy associated with motion
What is thermal energy?
light energy
total internal kinetic energy of atoms/molecules
moving energy
stored energy
What is nuclear energy (you may choose more than 1 answer)
energy released from the splitting (fission) of nuclei from atoms/isotopes
energy released from the joining (fusion) of nuclei from atoms/isotopes
stored energy
moving energy
What energy does a battery possess?
chemical potential energy
elastic potential energy
thermal energy
electrical energy
What energy would you associate with the food that you eat?
chemical potential energy
gravitational potential energy
elastic potential energy
thermal energy
As an apple falls from a tree, gravitational potential energy is converted into __________ energy.
sound energy
heat energy
kinetic energy
chemical potential energy
As a car brakes to a stop, kinetic energy in the car is converted into _______________.
gravitational potential energy
thermal and sound energy
electrical energy
light energy
A camper uses dry twigs to start a fire. What is the main energy conversion?
thermal energy to light energy
kinetic energy to thermal and light energy
chemical potential energy to thermal and light energy
gravitational potential energy to thermal and light energy
The Principle of Conservation of Energy states that
(a) energy cannot be created or destroyed;
(b) energy can be converted from one form or another;
(c) energy can be transferred from one body to another;
(d) the total amount of energy in a system remains constant.
(a) and (b) only
(a), (b) and (c) only
(a), (b) and (d) only
(a), (b), (c) and (d)
