Category : 5th Class
A push or pull acting on an object is called a force.
A force can be used to:
Move a stationary object
Stop a moving object
Make a moving object move faster
Slowdown a moving object
Change the direction of a moving object
Change the shape and size of an object
Type of Force
There are different types of forces
When something has to be pushed, pulled or lifted, muscular force is applied.
Because of gravitational force, we are able to stay on the ground.
Frictional force slows down a moving object. Even frictional force helps us in walking.
A stretched rubber band regains its original position on being released because of elastic force. Elastic force arises when a baby deforms.
Simple tools makes use of mechanical force.
The upward push of water on a floating object is called buoyant force or up thrust. If we push a mug or piece of wood, we can feel an upward thrust.
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