Newtons Laws

Question 1

First Law

Answer 1

Object stays at rest or moves at constant velocity unless acted upon by a resultant unbalanced force

Question 2

Example of First Law

Answer 2

Velodrome cyclists

• change in velocity is required to change direction
• only achieved by resultant force (biker pedaling force)

Question 3

Second Law

Answer 3

F=ma

• Force is equal to mass multiplied by acceleration
• Size of force applied to different mass objects will result in different acceleration

Question 4

Second Law Example

Answer 4

Shot Putter

• Equal force on shotputs 3 and 4 kg
• 3kg=greater acceleration, lighter mass

Question 5

Third Law

Answer 5

For every action there is an equal opposite reaction

Question 6

Third Law Examples

Answer 6

Runner on Starting Blocks

-the force applied on the blocks=block provides an opposite reaction propelling individual forward