Class 9th Science Chapter 9 | Exercise Questions (Q1, Q2, Q3, Q4) | Force & Laws of Motion | NCERT

This video contains solution of exercise solutions (Question 1, 2, 3 and 4) of class 9th science physics chapter 9 (Force and Laws of Motion).

Question 1 : An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the
magnitude and direction of the velocity. If no, provide a reason.

Question 2 : When a carpet is beaten with a stick, dust comes out of it. Explain.

Question 3 : Why is it advised to tie any luggage kept on the roof of a bus with a rope?

Question 4 : A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because
(a) the batsman did not hit the ball hard enough.
(b) velocity is proportional to the force exerted on the ball.
(c) there is a force on the ball opposing the motion.
(d) there is no unbalanced force on the ball, so the ball would want to come to rest.

Class 9 Science Chapter 8 Force and Laws of Motion
#class9science #forceandlawsofmotion #class9 #science #class9sciencechapter8

Chapter 1 (Matter in Our Surroundings) Lectures Playlist:

Chapter 2 (Is Matter Around Us Pure) Lectures Playlist:

Chapter 5 (The Fundamental Unit of Life) Lectures Playlist:

Chapter 8 (Motion) Lectures Playlist:

Chapter 9 (Force and Laws of Motion) Lectures Playlist:

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