ISRO Technical Assistant Mechanical Question Paper - 2019 with Answer Key

ISRO Technical Assistant Mechanical Question Paper - 2019 with Answer Key

31) A 10 kg Aluminium block is dragged on a plain horizontal surface at a constant velocity of 2 m/s. A frictional force of 60 N acts on it. What is the net force acting on the block?

Answer is:

0 N

32) A crane lifts a mass of 200 kg from rest and it attains an upward velocity of 3 m/s in 2 s uniformly. The tension in the supporting cable is

Answer is:

2300 N

33) Two bodies m1 and m2 (m1>m2) have the same kinetic energy. Then their momentum p1 and p2 satisfy

Answer is:

p1>p2

34) The Earth, Jupiter, Saturn and Uranus all revolve around the Sun. The Earth takes 1 year, Jupiter takes 12 years, Saturn takes 30 years and Uranus takes 84 years to complete one revolution around the Sun. At what periodicity, all these four planets lineup

Answer is:

420 years

35) Maximum power transmission in a belt is met when the total tension in the belt equals

Answer is:

Thrice centrifugal tension

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