National Standard Examination in Astronomy (NSEA) Solved Paper 2016 Part-16

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Q: 56. Refer to figure in question 55. Pulleys in the figure are massless and frictionless. Neglecting friction between block and the ramp, the force that should be applied vertically downwards, at E, to slide the block along ramp without acceleration is

(A) 65: N

(B) 125 N

(C) 175 N

(D) 250 N

Answer (B)

Q: 57. If





Answer: (D)

Q: 58. Which of digits 1, 3, 4, 5, 7, 0 cannot appear at the ten’s place of powers of 3?

(A) 1, 3, 5 only

(B) 1, 3, 4, 7 only

(C) 1, 3, 5, 7, only

(D) 0, 1, 3, 5 only

Answer: (C)

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