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SL ARORA-Laws of Motion-Exercise
- A rocket moves forward by pushing the surrounding air backwards.
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- Assertion: Frictional forces are conservative forces. Reason: Potent...
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- Assertion: The driver in a vechicle moving with a constant speed on a ...
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- Assertion: A man in a dosed cabin falling freely does not experience g...
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- Assertion : It is difficult to move a cylce along the roda with its...
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- Assertion: On a rainy day, it is difficult to drive a car or bus at h...
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- Assertion : Use of ball beaings between two moving parts of a machine ...
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- Assertion: Centripetal acceleration is always direction towards the ce...
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- Assertion : The apparent weight of a body in an elevator moving with...
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- Assertion : Impulsive force is large are acts for a short time. Rea...
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- Assertion : A horse has to pull a cart harder during the first few ste...
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- Assertion:A table cloth can be pulled from a table without dislodging ...
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- Assertion : A body can be at rest even when it is under the action of ...
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- Assertion: The centripetal forces and centrifugal forces never cancel ...
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- Assertion: A quick collision between two bodies is more violent that s...
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- Assertion : Thrust on a rocket depends only on velocity of exhaust gas...
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- Statement I : On banked curved road, vertical component of normal reac...
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- Assertion: Pseudo force is an imaginary force which is recongnised on...
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- Assertion: Two bodies of masses M and m(M gt m) are allowed to fall fr...
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- Assertion: A rocket works on the principle of conservation of linear m...
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