Question

18. What effect can be produced by force 2 give example. बल 2 से क्या प्रभाव उत्पन्न हो सकता
है(3)

Answer 1

Explanation:

Can change the state of an object(rest to motion/ motion to rest):For example, pushing a heavy stone in order to move it.

2) May change the speed of an object if it is already moving.For example,catching a ball hit by a batsman.

3) May change the direction of motion of an object.For example,footballer kicks a moving ball to change its direction.

4) May bring about a change in the shape of an object.For example, blowing air in balloon.

5) May cause some or all of these

Answer 2

Answer:

Effects of force with examples:

1. It can make a stationary object move. Example: pushing a box at rest on the table brings the box in motion.

2. It can stop a moving object. Example: catching a moving ball and making it stop on your hand.

3. It can change the speed of a moving object. Example: increasing the speed of a bicycle by exerting more force on the peddle.

4. It can change the direction of a moving object. Example: changing the direction of motion of the cricket ball by the batsman after he hits the ball.

5. It can change the shape or size of an object. Example: squeezing a toothpaste and changing its shape.