Forces and Inertia Multiple Questions and Answers.




6.How much water a pump of 2kW can raise in one minute to a height of 10m? (g=10m/s2)?
A. 1000litres
B. 1200litres
C. 10litres
D. 2000litres

7.A body of mass 2kg is placed on a rough horizontal plane. The coefficient of friction between body and the plane is 0.2. Then ?
A. Body will move in forward direction if F=3N
B. Body will move in backward direction with acceleration of 0.5m/s2, if force F=3N
C. If F=3N, then body will be in rest condition
D. The body will move both in forward during a particular period and then remain at rest

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