# P8 forces in balance

• Created by: emews
• Created on: 30-12-17 16:01
What is a force?
A force is an influence that causes an object to change.
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Which force did Charles-Augustin de Coulomb first describe?
The electrostatic force.
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What does Newton's First Law of Motion state?
Objects with balanced forces acting on them will stay at rest or in constant motion
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What are the units of force?
Newtons
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Newton's Second Law of Motion can be summarised by which equation?
F = ma
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What is friction?
A force that opposes motion.
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How do you calculate resultant force?
Add all the forces that are acting upon an object
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What happens if the resultant force on a car is in the direction in which it is travelling?
It will increase in speed.
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## Other cards in this set

### Card 2

#### Front

Which force did Charles-Augustin de Coulomb first describe?

#### Back

The electrostatic force.

### Card 3

#### Front

What does Newton's First Law of Motion state?

#### Back ### Card 4

#### Front

What are the units of force?

#### Back ### Card 5

#### Front

Newton's Second Law of Motion can be summarised by which equation?

#### Back 