Flashcards in 3.5 Newtons Laws Of Motion Deck (10)

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1

## Newtons first

### A body will remain at rest or continue to move at a constant velocity until an external force acts on it

2

## Newtons second

### Resultant force on an object is proportional to the rate of change of momentum of the object, and the momentum change takes place in the direction of the force

3

## Newtons third

### If object a exerts a force on object b, object b will exert an equal and opposite force on object a

4

## What is needed for Newton's third law?

###
Forces must be of the same type

Must be acting in opposite directions

On different objects

5

## Momentum equitation

### Mass x velocity

6

## What is the principle of conservation of momentum?

### The total momentum before a collision is always equal to the total momentum after the collision, provided that no external forces are involved

7

## Define impulse

### The forces of a force and time time for which it acts

8

## What is impulse the same as?

### Change in momentum

9

## what is the area beneath a force time graph?

### Impulse

10