Work done Pt.2 Flashcards
1
Q
when does work done occur
A
when a force causes and object to be displaced or move a distance. work is done on object
2
Q
what is the formula for work done
A
W = Fs
3
Q
what is a joule the same as
A
a newton metre
4
Q
what is a newton metre
A
when 1 joule of work is done when a force of 1N causes a 1 metre displacement
5
Q
what happens when work is done against frictional forces
A
the object rises in temperature