# Section 4- Forces And Energy Flashcards Preview

## Physics GCSE Edexcel > Section 4- Forces And Energy > Flashcards

Flashcards in Section 4- Forces And Energy Deck (13)
1
Q

Equation for work done

A

Work(J) = force(N) x distance moved (m)

2
Q

Equation for power

A

Power(W)= energy transferred(J) / time taken (s)

Or

Power= work done/ time taken

3
Q

Fields

A

A region of space where an object experiences a force

4
Q

Electric fields

A

Static electricity is caused when two insulators are rubbed together

5
Q

Force

A

-

6
Q

Free body force

A

A diagram that uses vector arrows to represent all the forces on a body

7
Q

Resultant force

A

All combined effects of all forces

8
Q

How do you use scale drawings to find resultant force?

A

-

9
Q

Equation for moment of a force

A

Moment
—————————
Force x distance

10
Q

Moment

A

-

11
Q

Examples of contact forces

A
• tension
• friction
• air resistance
12
Q

Examples of non-contact forces

A
• gravitational
• electrostatic
• magnetic
13
Q

Force field

A

A region of space where an object experiences a force