Force can be defined as a 'push' or 'pull' on an object. A boy catches a cricket ball after it has been hit by the batsman. What can be said about the force exerted on the ball by the boy when he catches the ball? 1 The boy exerts a 'pull' on the ball. 2 The boy exerts a 'push' on the ball. 3 The boy exerts no 'push' or 'pull' on the ball. 4 The boy exerts both a 'push' and a 'pull' on the ball.
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Answer:
Force
You have learnt how objects move. You also know that a moving object like a ball rolling on the ground slows down. Sometimes it may change its direction of motion. It is also possible that the ball may slow down and also change its direction. what makes an object to slow down or go faster, or change its direction of motion?
Let us recall some of our everyday experiences. What do you do to make a football move? What do you do to make a moving ball move faster? How does a goalkeeper stop a ball? How do fielders stop a ball hit by a batsman? A hockey player changes the direction of the moving ball with a flick of the stick. In all these situations the ball is either made to move faster or slower or its direction of motion is changed.