Work Energy Principles Flashcards

(4 cards)

1
Q

What is the Work-Energy Principle?

A

The net work done on an object is equal to its change in kinetic energy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

formula for the Work-Energy Principle?

A

W=dke=.5mv² – .5mu²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

In the Work-Energy Principle, what does “work done” refer to?

A

The energy transferred to or from an object via a force causing displacement.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Does the Work-Energy Principle apply if friction or other non-conservative forces act?

A

Yes, but the work done by those forces may also convert kinetic energy into other forms like heat.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly