Question

what is force.for class 8.​

Answer 1

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• Force: a push or a pull on an object is called force. Force may impart motion to an object.
• it is applied on an object in the same direction add to one another.

Answer 2

Explanation:

☆the force is a pull or a push

you can understand this with an help of an

eg : a boy throw the ball

here boy push the ball forward so it is a force

》force are of 2 types

☆contact force : force which requires actual contact between 2 object

☆non contact force : force which do not require contact

》contact force are of 2 types

☆muscular force : force applied by muscles of organisms

☆frictional force : force which act into play when the surface of 2 or more than 2 objects are in contact it opposes motion

》non contact force are of 3 types

gravitational force : force applied by every object that has mass on another object

☆electrostatic force : force applied by one charged body on another charged body

☆magnetic force: force applied by magnets on another magnets or magnetic substances .

The sum of all forces acting on an object is known as net force

force is measured with spring balance

effects of force are

☆Force can change the shape of an object

☆Force can change the direction of an object

☆Force can change the speed of an object

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