Newtons Laws Of Motion2008

Notes: Newton’s Laws of Motion CW: Action-Reaction Forces

Newton’s Laws of Motion March 18, 2009

1 st Law of Motion (Law of Inertia) ,[object Object]

Because of inertia, objects resist changes in their motion. When the car going 80 km/h is stopped by the brick wall, your body keeps moving at 80 km/h. Wear a seatbelt!

[object Object],[object Object],[object Object],[object Object],[object Object],Friction!

2 nd Law ,[object Object],[object Object]

Newton’s 2 nd Law proves that different masses accelerate to the earth at the same rate, but with different forces. ,[object Object],[object Object],F = ma 98 N = 10 kg x 9.8 m/s/s F = ma 9.8 N = 1 kg x 9.8 m/s/s

3 rd Law ,[object Object],[object Object]

Newton’s 3rd Law in Nature ,[object Object]

3 rd Law As the birds push down on the air with their wings, the air pushes their wings up and gives them lift.

Action-reaction force pairs make it possible for birds to fly.

Other examples of Newton’s Third Law ,[object Object]

3 rd Law Various fuels are burned in the engine, producing hot gases. As the gases move downward, the rocket moves in the opposite direction.

Newtons Laws Of Motion2008

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Viewers also liked

Viewers also liked (17)

Similar to Newtons Laws Of Motion2008

Similar to Newtons Laws Of Motion2008 (20)

More from tams

More from tams (20)

Recently uploaded

Recently uploaded (20)

Newtons Laws Of Motion2008