EASY
9th Chhattisgarh Board
IMPORTANT
Earn 100

If the net unbalanced force becomes zero, will the momentum also become zero? Explain.

Important Questions on Force and Laws of Motion

EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Discuss>Q 1
If the action and reaction are always equal then explain how a bull is able to pull a cart forward?
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Discuss>Q 2
The motion of a rocket is based on which concept?
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9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Discuss>Q 3
A fire extinguisher is hurt by a rubber pipe that throws water at a very high speed. Explain this.
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Questions>Q 1
Two bodies of masses 1 kg and 2 kg are moving parallel to a line in the same direction, at a velocity of 2 m s-1 and 1 m s-1 respectively. Both the bodies collide with each other. After collision, the velocity of the first body becomes 1.5 m s-1. Find the velocity of the second body after collision.
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Exercise>Q 1
The reason for inertia of a body is
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Exercise>Q 1
A boy is sitting on the uppermost berth of a train. Just when the train is coming to a halt, he drops a mango in the open hands of his brother who is sitting on the seat right below him. Where will the mango fall?
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Exercise>Q 1
The concept of rocket launching is based on
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 5 - Force and Laws of Motion>Exercise>Q 1
A ball stops in 0.06 s when a force of 500 N is applied to it. The momentum of the ball is