set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 5 EXERCISES
The following question based on mechanics (mass, force, acceleration, work, energy, momentum, velocity) topic of general science mcq
(a) Inertia
(b) Motion
(c) Newton’s third law
(d) Reaction of force
The correct answers to the above question in:
Answer: (a)
Practice mechanics (mass, force, acceleration, work, energy, momentum, velocity) (set 3) Online Quiz
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Read more mechanics work and energy Based General Science Questions and Answers
Question : 1
When a moving bus suddenly applies brakes, the passengers sitting in it fall in the forward direction. This can be explained by
a) Newton’s second law
b) Newton’s first law
c) the theory of relativity
d) Newton’s third law
Answer »Answer: (b)
Question : 2
Newton’s laws of motion do not hold good for objects
a) moving with high velocity
b) moving slowly
c) at rest
d) moving with velocity comparable to velocity of light
Answer »Answer: (d)
Question : 3
A particle is moving in a circular path of radius r. The displacement after half a circle would be
a) 2 r
b) pr
c) zero
d) 2pr
Answer »Answer: (a)
Question : 4
Consider the following statements :
- Action and reaction act on the same body.
- Volume is a measure of the inertia of a body.
a) 1 and 2 both
b) 1 only
c) 2 only
d) None
Answer »Answer: (d)
Action and reaction act on different bodies. If a body does a force on another body, the second body will exert a force with the same magnitude and opposite direction on the first body.
Mass is a measure of the inertia of a body.
Question : 5
If the number representing volume and surface area of a cube are equal, then the length of the edge of the cube in terms of the unit of measurement will be
a) 5
b) 4
c) 3
d) 6
Answer »Answer: (d)
Question : 6
On the basis of following features identify the correct option. A. It is measured in units of kg m/s. B. Its direction is same as that of velocity of body.
a) Both A and B
b) Inertia
c) Momentum
d) Neither A and B
Answer »Answer: (c)
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