41. Gravitational force is always ————-.
a) Repulsive b) Attractive
c) Both d) None of these
42. Numerical value of —————– remains constant every where.
a) g b) G
c) F d) W
43. Gravitation force is ————- of the medium between the objects.
a) Dependent b) Independent
c) Both ‘a’ and ‘b’ d) None of these
44. Newton’s law of gravitation is consistent with Newton’s —————— law of motion.
a) 1 b) 2
c) 3 d) All of them
45. Spring balance is used to measure —————.
a) Mass b) Weight
c) Elasticity d) Density
46. Your weight as measured on Earth will be ——— on Moon.
a) Increased b) Decreased
c) Remains same d) None of these
47. ————- is a natural satellite.
a) Earth b) Jupiter
c) Moon d) Mars
48. A communication satellite completes its one revolution around the Earth in ————— hours.
a) 6 b) 12
c) 18 d) 24
49. The velocity of a satellite is ————- of its mass.
a) Independent b) Dependent
c) Equal d) Double
50. —————– are used to put satellites into orbits.
a) Helicopter b) Aeroplane
c) Rocket d) None of these
51. Which one is a scalar Quantity………….
a) time b) Force c) Velocity
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