Question 1 :
A cylindrical vessel partially filled with water is rotated about its vertical central axis. Its surface will

Question 2 :
A particle revolves around a circular path. The acceleration of the particle is

Question 3 :
At what point of a projectile motion acceleration and velocity and velocity are perpendicular to each other

Question 4 :
In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron

Question 5 :
A body moves with constant angular velocity on a circle. The magnitude of angular acceleration

Question 7 :
A stone tied to one end of rope and rotated in a circular motion. If the string suddenly breaks, then the stone travels

Question 8 :
A body executing uniform circular motion has at any instant its velocity vector and acceleration vector

Question 9 :
A bomb is dropped from an aeroplane moving horizontally at constant speed. When air resistance is taken into consideration, the bomb

Question 10 :
Which of the following sets of factors will affect the horizontal distance covered by an athlete in a long-jump event

Question 11 :
The equation of a projectile is {tex} y = \sqrt { 3 } x - \frac { g x ^ { 2 } } { 2 } {/tex} The angle of projection is given by

Question 12 :
A boat which has a speed of {tex} 5 \ \mathrm { km } \mathrm { h } ^ { - 1 } {/tex} in still water crosses a river of width {tex} 1 \ \mathrm { km } {/tex} along the shortest possible path in {tex}15 {/tex} minutes. The velocity of the river water is

Question 13 :
If {tex} V _ { \mathrm { r } } {/tex} is the velocity of rain falling vertically and {tex} \mathrm { V } _ { \mathrm { m } } {/tex} is the velocity of a man walking on a level road, and {tex} \theta {/tex} is the angle with vertical at which he should hold the umbrella to protect himself, than the relative velocity of rain w.r.t. the man is given by:

Question 14 :
Let two vectors {tex} \overrightarrow { \mathbf { A } } = 3 \hat { \mathbf { i } } + \hat { \mathbf { j } } + 2 \hat { \mathbf { k } } {/tex} and {tex} \overrightarrow { \mathbf { B } } = 2 \hat { \mathbf { i } } - 2 \hat { \mathbf { j } } + 4 \hat { \mathbf { k } } . {/tex} Consider the unit vector perpendicular to both {tex} \overrightarrow { \mathbf { A } } {/tex} and {tex} \overrightarrow { \mathbf { B } } {/tex} is

Question 15 :
A particle is projected with a velocity {tex} v {/tex} such that its range on the horizontal plane is twice the greatest height attained by it. The range of the projectile is (where g is acceleration due to gravity)

Question 16 :
A rider on horse back falls when horse starts running all of a sudden because

Question 17 :
A person is sitting in a travelling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is

Question 18 :
When a train stops suddenly, passengers in the running train feel an instant jerk in the forward direction because

Question 19 :
A person is standing in an elevator.  In which situation he finds his weight less than actual weight

Question 20 :
If the resultant of all the external forces acting on a system of particles is zero, then form an inertial frame, one can surely say that

Question 21 :
A shell initially at rest explodes into two pieces of equal mass, the two pieces will

Question 23 :
If two particles collide at constant temperature then which of the following is conserved?

Question 24 :
An aircraft is moving with velocity of<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e917c2767ed907b153d2ea0">. If all the forces acting on it are balanced, then

Question 25 :
A rocket is propelled by a gas which is initially at a temperature of <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e917c111a95347cde4a13ed">. The temperature of the gas falls to <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e917c11313cbb7c3feae0e4">as it leaves the exhaust nozzle. The gas which will acquire the largest momentum while leaving the nozzle, is

Question 26 :
A small mass slides down a fixed inclined plane of inclination {tex} \theta {/tex} with the horizontal. The coefficient of friction is {tex} \mu = \mu _ { 0 } x {/tex} where {tex} x {/tex} is the distance through which the mass slides down and {tex} \mu _ { 0 } {/tex} is a constant. Then the speed is maximum after the mass covers a distance of

Question 27 :
One end of string of length {tex} l {/tex} is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed'v' the net force on the particle (directed towards centre) will be<br>(T represents the tension in the string):<br>

Question 28 :
A body is moving along a rough horizontal surface with an initial velocity <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e917a4167ed907b153d2ba2">. If the body comes to rest after travelling <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e917a411a95347cde4a1116">, then the coefficient of sliding friction will be

Question 29 :
A cricket ball of mass 150 g collides straight with a bat with a velocity of 10<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e9177d61a95347cde4a0ec5"> . Batsman hits it straight back with a velocity of 20<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e9177d61a95347cde4a0ec5">. If ball remains in contact with bat for 0.1s, then average force exerted by the bat on the ball is

Question 30 :
A body of mass M at rest explodes into three pieces, two of which of mass M/4 each are thrown off in perpendicular directions with velocities of 3 m/s and 4 m/s respectively. The third piece will be thrown off with a velocity of