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Flashcards in 8 Deck (8)
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1

Work done (in words):

Energy transfer, to move an object a certain distance.

2

Work done =

Force x distance (in direction of the force.)

3

Power (in words):

Energy transfused per second.

4

Power =

Work done / time.

5

What are the three non contact forces?

- weight
- magnetism
- Electrostatic force.

6

Weight or Gravity:

- non contact force
- mass attracts mass
- gravitational field
- proven by the tide.

7

Electrostatic force:

- non contact force
- where protons attracts electrons force
- the more charge the more force.

8

Magnetism:

- non contact force.
- opposites attract
- some poles repel.