Work Flashcards
0
Q
Explain work
A
Work is done if a force results in an object moving a certain distance.
If you apply force and there is no movement work is not done
1
Q
What is definition of work
A
Work = force x distance
2
Q
What unit is used to measure force
A
Newtons (N)
3
Q
What unit is used to measure distance
A
Meters m
4
Q
What unit is used to measure work
A
Joules (J)
5
Q
What formula is used to measure work
A
1 Joule x 1 Newton x 1 meter
1J x 1N x 1m
6
Q
Important to remember in work formula distance is measured in meters ..1j x 1N x 1m
What do you do if you get a distance in cm in a question
A
You change it to meters
Eg 40cm is 0.4 meters