RRB ALP Mechanical Question Paper 2014 Set-1 with Answer Key

RRB ALP Mechanical Question Paper 2014 Set-1 with Answer Key

31) A body strike the floor vertically with a velocity u and rebounds at the same speed. The change of speed would be

Answer is:

2u

32) Which of the following is different from others?

Answer is:

Time

33) Momentum has the same unit as that of

Answer is:

impulse

34) What is the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2m/s?

Answer is:

150 kg/s

35) At the centre of the earth, the value of g becomes

Answer is:

zero

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