Ch 38: Work, Power And Energy Flashcards
1
Q
Work formula
A
Work = Force x distance
2
Q
Unit for work
A
Nm or Joules
3
Q
What is power?
A
Rate at which work is being done
4
Q
What is work?
A
To move an object using a force
5
Q
Power formula
A
Power = Work/Time
6
Q
Unit of power
A
Watts or W
7
Q
What is energy?
A
Ability to do work
8
Q
Unit of energy
A
Joules
9
Q
Non-renewable sources of energy
A
Oil
Coal
Gas
Turf
10
Q
Renewable sources of energy
A
Solar
Tidal
Nuclear
Wind
11
Q
Can energy be created or destroyed?
A
No but it changes from one form to another
12
Q
Kinetic energy
A
Energy in action
13
Q
Potential energy
A
Stored energy
14
Q
Newtons Cradle
A
Demonstrates conversion and conservation
