際際滷

際際滷Share a Scribd company logo
GRAVITY
Free body diagram
Gravity
 Everything has gravitational pull.
 If it has mass it has gravity.
Mass and gravity
   Mass x Gravity = weight
     On earth gravity = 1G
Centre of Gravity
   Predict the centre of gravity for 2D objects
Centre of gravity
   Predict the centre of gravity for 3D objects
Why dont they
fall over???

More Related Content

Gravity