Physics
Give one example each to indicate that the application of a force
(a) produces motion
(b) stops motion
(c) slows down motion
(d) changes the direction of motion
(e) deforms a body.
Answer
(a) A ball lying on the ground moves, when it is kicked.
(b) A moving cricket ball is stopped by the fielder when he catches it, by applying a force with his hands in a direction opposite to the motion of ball.
(c) Speed of a moving vehicle is slowed down by applying brakes. The brakes provide a force in a direction opposite to the direction of motion.
(d) In hockey, a player applies force with a hockey stick to change the direction of motion of the ball.
(e) On squeezing a piece of rubber, its shape changes.
Related Questions
What effects can a force have on a moving body?
What effect can a force produce on a body which is not allowed to move?
State the effect produced by a force in the following cases :
(a) The sling of a rubber catapult is stretched
(b) A man pushes a heavy cart
(c) A player uses his stick to deflect the ball
(d) A cyclist applies brakes
(e) A spring is compressed.
Name the two kinds of forces in nature.