Question 1 :
When a body is travelling at constant velocity, the net force on it is zero.<br/>
Question 2 :
A force of 20 N acting on a body of mass 10 kg is found to double its velocity in 8 s. Find its initial velocity?<br>
Question 3 :
Which of the following statements are correct for action and reaction forces?<br>
Question 4 :
If the net force acting on a body is doubled, the acceleration of the body is
Question 6 :
The force needed to produce an acceleration of $\displaystyle 6{ m }/{ { s }^{ 2 } }$ in a ball of mass 4 kg will be :<br/>
Question 8 :
If you are asked to push an object so that the acceleration produced in it has to be twice as before, then the force required will be :
Question 9 :
In which of the following Newton's second law of motion is applicable
Question 11 :
Which of the following statements is not true regarding the Newton's third law of motion?
Question 12 :
During a planned manoeuvre in a space flight, a free-floating astronaut A pushes another free-floating astronaut B, the mass of A being greater than that of B. Then, the magnitude of the force exerted by astronaut A on astronaut B is In the above problem, during a push 
Question 13 :
The acceleration produced by a force in the motion of a body depends only upon its _______.
Question 14 :
What isan expression for the force due to gravity on a body of mass $m$ ?
Question 15 :
When a force of 1 newton acts on a mass of 1 kg that is able to move freely, the object moves with a/an
Question 16 :
1 newton is the amount of force that produces an acceleration of 1 $ms^{-2}$ in an object of mass:<br/>
Question 18 :
A jeep, scooter, a car and a truck are moving on a road at the same speed of 70 m/s under identical conditions. All these vehicles are hit from behind with the same force and they keep moving forward in the same direction. The maximum acceleration will be produced in the:
Question 19 :
An automobile that is pulling a trailer is accelerating on a level road. The force that the automobile exerts on the trailer is:
Question 20 :
In a game of tug of wars, a condition of equilibrium exists. Both the teams pull the rope with a force of $10^4 N$. Find the tension in the rope.
Question 24 :
You are on a frictionless horizontal plane. You can get off the plane by :<br/>
Question 25 :
Assertion: According to Newton's third law, the sum of action and reaction forces on a body is equal to zero.
Reason: The action and reaction forces act on different bodies.
Question 27 :
A fish is swimming in the ocean. Which of the following represents the interaction between the fish and the water?<br/>
Question 30 :
A cricket ball hits and breaks a glass window and ends up inside the house. Identify which of the following statement is correct about the ball?
Question 31 :
If action and reaction were to act on the same body
Question 32 :
if an object experience a net zero unbalanced force, then the body
Question 33 :
A bullet of mass 5 g travelling at a speed of 120 m s$^{-1}$ penetrates deeply into a fixed target and is brought to rest in 0.01 s. Calculate the average force exerted on the bullet.<br>
Question 34 :
Assertion: Inertia is the property by virtue of which the body is unable to change by itself, its state of rest or motion and its direction of motion is uniform<br/>
Reason: The bodies do not change their state unless acted upon by an unbalanced external force
Question 37 :
In which of the following cases the net force is not equal to zero?
Question 38 :
A particle of mass $m_{1}$ moving with a velocity of $5m/s$ collides head on with a stationary particle of mass $m_{2}$. After collision both the particle move with a common velocity of $4m/s$, then the value $m_<br/>{1}/m_{2}$ is:<br/>
Question 39 :
The engine of a car produces an acceleration of $4\, m\, s^{-2}$ in a car, if this car pulls another car of the same mass, what will be the acceleration produced?<br/>
Question 40 :
If a constant external force starts acting on a moving particle, then:<br/>
Question 41 :
The apparent weight of man inside a lift moving up with certain acceleration is $900$N. When the lift is coming down with the same acceleration apparent weight is found to be $300$N. The mass of the man is$(g=10 ms^{-2})$:
Question 42 :
The velocity acquired by a mass $m$ in travelling a certain distance $d$ starting from rest under the action of a constant force is directly proportional to:
Question 43 :
A $60$ kg man pushes a $40$ kg man by a force of $60$N. The $40$ kg man has pushed the other man with a force of?
Question 44 :
When a net force acts on an object, the object will beaccelerated in the direction of the force with an accelerationproportional to
Question 45 :
A man fires a bullet of mass $200 g$ at a speed of $5 m/s$. The gun is of one kg mass. The velocity with which the gun will recoil backward is
Question 46 :
A person of mass 100 kg pushes a man of mass 50 kg on a frictionless pond with a force F. Then, which of the following statements is correct?
Question 47 :
Assertion: If the net external force acting on the body is zero, then its acceleration is zero.
Reason: Acceleration of a body does not depend on the forces acting on it.
Question 48 :
What is product of force and the time for which force act called?<br>
Question 49 :
A ball of mass $m$ moving with velocity $v$ collides elastically with wall and rebounds. The change in momentum of the ball will be :
Question 50 :
A body is at rest on the surface of the earth. Which of the following statements is correct?<br><br>
