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9th CBSE
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SI unit of force is .

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Important Questions on Force and Laws of Motion

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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Formative Assessment>Q 7
The rate of change of momentum is proportional to _____. (Force/ Energy)
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Formative Assessment>Q 8
Momentum = Mass × _____.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Formative Assessment>Q 9
1 dyne =_____×10-5 N
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Formative Assessment>Q 10
When external force acting on a body is _____, the linear momentum of body is constant.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 1
Explain why a glass pane of a window is shattered when a flying pebble hits it?
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 2

A and B are two similar spring balances arranged as shown. If A is pulled by 5 N, then what will be reading in A and B?

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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 3
What happens when you shake a wet piece of cloth? Explain your observation.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 2 - Force and Laws of Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 4
A javelin thrower is marked foul if the athlete crosses over the line marked for the throw. Explain why athletes often fail to stop themselves before that line?