Force and Laws of Motion
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150
Action and reaction forces (a) acts on same body (b) act on different bodies (c) act in sa...
By Trisha Dave, 5 years ago
replies 1
0
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1309
Fielder giving a swing while catching a ball is an example of (a) inertia (b) momentum (c)...
By Trisha Dave, 5 years ago
replies 1
0
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888
A force of 50 N moves a body. (a) Frictional force exerted on the body is less than 50 N (...
By Trisha Dave, 5 years ago
replies 1
0
1
440
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1284
If two balls of different masses are dropped on sand, the depths of penetration is same if...
By Trisha Dave, 5 years ago
replies 1
0
1
306
The product of mass and velocity gives a physical quantity (a) force (b) inertia (c) momen...
By Trisha Dave, 5 years ago
replies 1
0
1
207
The S.I. unit of force is (a) kgm/s (b) kgm/s^2 (c) Newton (d) Newton-meter
By Trisha Dave, 5 years ago
replies 1
0
1
264
40000 kg engine pulls a train of 5 wagons, each of 2000 kg, along a horizontal track. If t...
By Trisha Dave, 5 years ago
replies 1
0
1
108
A stone of 1 kg is thrown with a velocity of 20 ms^-1 across the frozen surface of a lake ...
By Trisha Dave, 5 years ago
replies 1
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