Mechanics

131.“For every action there is an equal and opposite reaction”
 
A. Newton’s first law of motion
 
B. Newton’s second law of motion
 
C. Newton’s third law of motion
 
D. None of the above
 
Option”C” is correct
132.Swimming in water is possible due to which of Newton’s laws of motion?
 
A. First rule
 
B. Second rule
 
C. Third rule
 
D. All of the above
 
Option”C” is correct
133.A body will remain at rest as long as an external force acts on it ‘whose statement is this?
 
A. Newton
 
B. Einstein
 
C. Archimedes
 
D. Galileo
 
Option”A” is correct
134.The definition of force comes from Newton’s –
 
A. From the first law of motion
 
B. Second law of motion
 
C. From the third law of motion
 
D. By the law of gravity
 
Option”A” is correct
135.What is the property of a body by which it opposes any change in the state of rest or uniform motion in a straight line
 
A. Immobility
 
B. Inertia
 
C. Some load
 
D. Inactivity
 
Option”B” is correct
136.Newton’s first law is also called
 
A. Rule of thumb
 
B. Law of inertia
 
C. Law of energy
 
D. Rule of thumb
 
Option”B” is correct
137.Due to which force the horse pulling the cart moves forward
 
A. The force exerted by the cart on the horse
 
B. The force exerted by the horse on the cart
 
C. The force exerted by the horse on the ground with its feet
 
D. The force exerted by the earth on the horse’s legs
 
Option”D” is correct
138.When a moving bus applies brakes suddenly, the passengers sitting in it fall in the forward direction, this can be explained by
 
A. Theory of Relativity
 
B. Newton’s first law
 
C. Newton’s second law
 
D. Newton’s third law
 
Option”B” is correct
139.On which principle is the working system of rocket based?
 
A. Newton’s third law
 
B. Newton’s first law
 
C. Newton’s second law
 
D. Archimedes principle
 
Option”A” is correct
140.If the horse suddenly starts moving, there is a reason for the possibility of the rider falling.
 
A. Moment of inertia
 
B. Law of conservation of mass
 
C. Rest inertia
 
D. Third law of motion
 
Option”C” is correct