5th Class Science Work, Force and Energy Force

Force

Category : 5th Class

*      Force

 

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

 

*     Muscular Force

When something has to be pushed, pulled or lifted, muscular force is applied.

 

*     Gravitational Force

Because of gravitational force, we are able to stay on the ground.

 

*     Frictional Force

Frictional force slows down a moving object. Even frictional force helps us in walking.

 

*      Elastic Force

A stretched rubber band regains its original position on being released because of elastic force. Elastic force arises when a baby deforms.

 

*      Mechanical Force

Simple tools makes use of mechanical force.

 

*      Buoyant 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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