Q1 Action and reaction act on the same body
- a) True
- b) False
- (a) False
Q2 Linear momentum is directly proportional to
- (a) mass of the body
- (b) velocity of the body
- (c) both mass and
- (d) none of these
- (a) mass of the body
Q3 The working of rocket is based on the principle of
- (a) Newton's law of gravitation
- (b) Kepler’s Law
- (c) Newton’s First law
- (d) Conservation of linear momentum
- (d) Conservation of linear momentum
Q4 Force exerted on a body can change its
- (a) Momentum
- (b) Velocity
- (c) Direction of motion
- (d) All of the above
- (d) All of the above
Q5 When body is in motion it always changes it
- (a) Momentum
- (b) Velocity
- (c) Position Vector
- (d) Both a and b
- (c) Position Vector
Q6 Dimentional formula of Impulse
- a) `M^{1}L^{1}T^{-1}`
- b) `M^{1}L^{0}T^{-1}`
- c) `M^{1}L^{1}T^{-2}`
- d) `M^{1}L^{2}T^{-1}`
- a) `M^{1}L^{1}T^{-1}`
Q7 Which law of motion is also known as law of Inertia
- (a) Newton’s first law of motion
- (b) Newton’s second law of motion
- (c) Newton’s third law of motion
- (d) All of the above
- (a)Newton’s first law of motion
Q8 A jet engine works on the principle of conservation of mass (True/False)
- a. True
- b. False
- b. False
Q9. Suppose a body is travelling with constant speed in a straight line the net force on the body is Zero (True / False)
- a. True
- b. False
- a. True
Q10 A person swimming in a fresh water pool obeys...…
- (a) Newton’s first law of motion
- (b) Newton’s second law of motion
- (c) Newton’s third law of motion
- (d) All of the above
- (c) Newton’s third law of motion
