A person moves 30 m north and then 20 m towards east and finally 30âˆš2 m in south-west direction. The displacement of the pers..
A particle moves along a semicircle of radius 10m in 5 seconds
A graph is down between velocity and time for the motion of a particle.
The displacement-time graph for two particles A and B are straight lines inclined at angles of 30Â° and 60Â° with the time axi..
An athlete completes one round of a circular track of radius R in 40 sec. What will be his displacement at the end of 2 min. 20 se..
The three initial and final position of a man on the X - axis are given as
A cyclist starts from the centre O of a circular park of radius one kilometre,reaches the edge P of the park, then cycles along th..
Which of the following is a one dimensional motion
Physical independence of force is a consequence of
A string of negligible mass going over a clamped pulley of mass m supports a block of mass M as shown in the figure. The force on ..
A man walks on a straight road from his home to a market
An aeroplane flies 400m north and 300m south and then flies 1200m upwards then net displacement is
In the arrangement shown in the Fig, the ends P and Q of an unstretchable string move downwards with uniform speed U. Pulleys A an..
A wire, which passes through the hole in a small bead, is bent in the form of quarter of a circle. The wire is fixed vertically on..
A person is sitting in a lift accelerating upwards. Measured weight of person will be
A man of weight mg is moving up in a rocket with acceleration 4g. The apparent weight of the man in the rocket is
A particale is constrained to move on a straight line path
A student unable to answer a question on Newtons laws of motion attempts to pull himself up by tugging on his hair. He will not su..
The displacement of a body along x-axis depeneds on time as âˆšx = t+1. Then the velocity of body
A body of mass 4 kg is accelerated up by a constant force, travels a distance of 5 m in the first second and a distance of 2 m in ..
A ball of mass (m) 0.5 kg is attached to the end of a string having length (L) 0.5 m. The ball is rotated on a horizontal circular..
A cricket ball of mass 0.25 kg with speed 10 m/s collides with a bat and returns with same speed with in 0.01s. The force acted on..
A block of mass m is resting on a smooth horizontal surface. One end of a uniform rope of mass m 3 is fixed to the block, which is..
Three forces start acting simultaneously on a particle moving with velocity v .These forces are represented in magnitude and direc..
A mass of 10 kg is suspended from a spring balance. It is pulled aside by a horizontal string so that it makes an angle of 60Â° ..
A block P of mass m is placed on a horizontal frictionless plane. A second block of same mass m is placed on it and is connected t..
A body of mass 8 kg is suspended through two light springs X and Y connected in series as shown in figure. The readings is X and Y..
a Ball of mass 0.2 kg is thrown vertically upward by applying
a particle of mass 0.3 kg is subjected to a force
Two boys are standing at the ends A and B of a ground where AB =a.
the minimum velocity (in m/s) with which a car driver must
A hockey player receives a corner shot at a speed of 15 ms^-1 at an angle of 30Â° with the y â€“ axis and then shoots the b..
A stationary bomb explodes into three pieces. One piece of 2 kg mass moves with a velocity of 8ms^-1 at right angles to the other ..
a rocket with a lift - off mass
If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can surely s..
A shell of mass 10 kg is moving with a velocity of 10 ms^-1 when it blasts and forms two parts of mass 9 kg and 1 kg respectively...
two masses m1 = 5kg m2 = 4.8 kg tied to a string are hanging
a lift is moving down with acceleration a. A man in the lift
given the figure are two blocks a and b of weight 20 n and 100 n
the upper half of a inclined plane of inclination
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