The rate of change of momentum of a freely falling body is equal to its:

If the initial speed of a projectile is doubled.

If the time of flight of projectile is doubled its height becomes

Two similar spheres, each of mass m and traveling with speed v, are moving towards each other 

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A body is moving in a circular path with a constant speed, it has

The slope of the velocity time graph for retarded motion is

A mass is projected at angle q in air. Which of given statement is correct?

Forces in nature always occur in 

At which point for a projectile its kinetic energy is completely converted into potential energy 

An athlete complete half a round of a circular track of radius R. The displacement covered is

A baseball is thrown vertically into the air. The acceleration of the ball at its highest point is:

What is meant by ballistic trajectory?

Angle between ”  and ”  is

In the case of a projectile fired at an angleequally inclined to the horizontal and vertical with velocity v, the horizontalrange is

Force is measured according to which law of motion

The magnitude of instantaneous velocity is expressed by

A graph is drawn with force along Y-axis andtime along X-axis. The area under the graph represents

If velocity of moving object is doubled its K.E will be

The d-t graphs for two bodies A & B are shown, the ratio ”  is

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A train takes 1 hour to go from one station to the other. It travels at a speed of 30 kmh^–1 for first half hour and at a speed of 50 kmh^–1 for the next half hour. The average speed of the train is:

A baseball is hit straight up and is caught by the catcher 2.0 s later. The maximum height of the ball during this interval is:

A body moves a distance of5 m along a straight line under the action of a force of 10 N. if the work doneis 25 J, then the angle which the force makes with the direction of motion ofthe body is

The position of a particlemoving along the x-axis at certain times is given below

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Displacement time graph of a ball thrown vertically upward is shown in figure then its v-t graph is

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Inertia of a body has direct dependence on

A person can throw a stone to maximum distance of 80m the greatest height to which he can throw the stone is

A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is

The displacement time graph for a moving particle is given below. The instantaneous velocity of the particle is negative at the point.>

A baseball is thrown vertically into the air. The acceleration of the ball at its highest point is:

Which of the following velocity-time graphs represents infinite acceleration?

A body, whose momentum is constant, must have constant

Anobject is projected up wards with velocity of 100 m/sec. it will strike theground in approximately (g=10 m/sec²) 

A cyclist riding at a speed of 5m/sec braked with uniform deceleration and stopped in 3m. The acceleration is

A particle at rest suddenly disintegrates into two particles of equal masses which start moving. The two fragments will.

A projectile is projected with kinetic energy (K.E). If it has the maximum possible horizontal range, then its kinetic energy at the highest point will be:

A force of 5F acts on a body of mass 30 kg producing acceleration 50 m/s². If 2F force acts on a body of mass M it produces acceleration 60 ms^–2. What is mass M

A body is projected from a point with different angles of projections 20°, 35°, 45°, 60° with the horizontal but with same initial speed.   Their respective horizontal ranges are R₁, R₂, R₃ and R₄.  Identify the correct order in which the horizontal ranges are arranged in increasing order

The horizontal component of velocity of projectile moving with initial velocity of 500m/s at an angle 60° with x-axis is 

A pendulum of mass m and length l vibrate. The maximum torque in pendulum is at 

Which of the following pair has same direction always?

The range of a particle when launched at an angle of 15^o with the horizontal is 1.5 km. what is the range of projectile when launched at an angle of 45^o to the horizontal:

A child starts from rest at the top of a slides of height 4.0m. What is his speed at the bottom of slide is frictionless?

Imran travels 2m with speed v₁ and then 2m with speed v_2, his average speed is:

For range to have maximum value, the function sin2θ should have value:

A bullet is fired horizontally from a rifle at adistant target. Ignoring the effect of air resistance, which of the followingis correct?

The rate of change in momentum is called

The area between velocity time graph and the time axis is numerically equal to

Fuel-mass is how much percentage of thelaunch-mass of a rocket? 

Momentum has same direction as that of the direction of 

A 70 g ball collides with another ball of mass 140 g. The initial velocity of the first ball is 9 ms^-1 to the right while the second ball is at rest. If the collision were perfectly elastic; what would be the velocity of the two balls in ms^–1 after the collision?

A force time graph for a linear motion is shown in figure, where the segments are circular, the linear momentum gained between zero and 8 second is>

Angular acceleration is produced by 

If body is falling freely, distance covered in 3 second is (g = 10ms^-2)

At which angle range of projectile will be half of its maximum value.

A handball is tossed vertically upward with a velocity of 19.6 meters per second.Approximately how high will it rise?

Time of flight of projectile is:

A ball is in free fall. Its acceleration is:

A racing car accelerates with following average speeds 5ms^–1 for 6 sec, 10 ms^–1 for 2 sec, 15ms^–1 for 2 sec what is overall average speed of car

Displacement time graph is shown in figure below acceleration will be

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An object of mass 100 g is falling freely under gravity. Consider there is no air friction, then after 2 s, net force on it become