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CBSE Class 9 Answered

What is Newton first law of motion
Asked by Sanjaydavidjang | 10 Feb, 2018, 08:35: PM
answered-by-expert Expert Answer

"A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force."

Answered by Science Mate | 10 Feb, 2018, 09:08: PM

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CBSE 9 - Physics
explain the derivation of laws of motion
Asked by kaveri.pasham0810 | 05 Jan, 2021, 06:26: AM
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CBSE 9 - Physics
A hockey ball of mass 200g travelling at 10m/s is struck by a hockey stick so as to return it along its original path with a velocity at 5m/s.Calculate the change of linear momentum occurred in the motion of the hockey ball by the force applied by the hockey stick.
Asked by ruby2shifa | 19 Sep, 2020, 04:33: PM
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CBSE 9 - Physics
The concept of inertia was developed by
Asked by kumarikhushi08338 | 15 Apr, 2020, 01:56: PM
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CBSE 9 - Physics
WHY DOES A CAR NEEDS TO BE PUSHED HARD ?
Asked by samarthdarole | 18 Nov, 2019, 08:47: AM
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CBSE 9 - Physics
Derive 1st law of motion from second law of motion  
Asked by kukusabat | 17 Oct, 2019, 06:02: PM
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CBSE 9 - Physics
Two bodies have mass 10kg and 15kg have identical size. Which has more inertia?
Asked by vk6089651 | 25 Sep, 2019, 12:35: AM
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CBSE 9 - Physics
According to newton's first law of motion an object tends to remain at rest or in uniform motion until and unless and external forces acts on it so suppose a dog is sleeping and then suddenly it wakes up and starts walking so it has come into motion without any external force acting on it how
Asked by Vats4334 | 23 Aug, 2019, 10:31: PM
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CBSE 9 - Physics
What is there law of Newton?  
Asked by satendrayadav6e958 | 31 May, 2019, 05:15: AM
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CBSE 9 - Physics
A hammer of mass 500g, moving at 50m/s, strikes a nail. The nail stops the hammer in a very short time of 0.01s. What is the force of the nail on the hammer?
Asked by dhanrajshivalekar | 13 Nov, 2018, 02:00: PM
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CBSE 9 - Physics
#Jiochat Information about the devices which are works based on the principal of Newton.
Asked by vishalvchavan9 | 02 Oct, 2018, 08:48: AM
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