Recent questions tagged laws of motion

+3 votes

1 answer

Which of the following has more inertia: (a) a rubber ball and a stone of the same size?

asked Apr 7, 2019 in Class 9 by kratos

+3 votes

1 answer

Assertion : A body of mass 1 kg is moving with an acceleration of 1 ms^–1 The rate of change of its momentum is 1 N.

asked Apr 7, 2019 in JEE by kratos

+2 votes

1 answer

In the figure shown, a person wants to raise a block lying on the ground to a height h.

asked Apr 7, 2019 in Class 12 by kratos

+3 votes

1 answer

The velocity of a car moving on a straight road increases linearly according to equation, v = a + b x,

asked Apr 7, 2019 in Class 11 by kratos

+2 votes

1 answer

A particle which is experiencing a force, given by F = 3 i – 12 j , undergoes a displacement of d = 4 i .

asked Apr 7, 2019 in JEE by kratos

+1 vote

1 answer

The formula to find curved surface area of a one rupee coin is _______

asked Apr 6, 2019 in Class 12 by kratos

+1 vote

1 answer

The two springs are identical, with unstretched length 0.4 m. When the 50-kg mass is suspended at B, the length of each spring increases to 0.6 m.

asked Apr 6, 2019 in JEE by kratos

+1 vote

1 answer

The 1350-kg car is at rest on a plane surface with its brakes locked. The unit vector en = 0.231 i + 0.923 j +0.308 k is

asked Apr 6, 2019 in JEE by kratos

+1 vote

1 answer

Block A of weight 500 N and block B of weight 700 N are connected by rope pulley system as shown. The largest weight C

asked Apr 6, 2019 in JEE by kratos

+2 votes

1 answer

MS Office 2000 was developed by

asked Apr 5, 2019 in Class 12 by kratos

+3 votes

1 answer

Write two consequences of Newton’* second law of motion?

asked Apr 5, 2019 in Class 11 by kratos

+3 votes

1 answer

A force of 6 N acts on a body at rest and of mass 1 kg. During this time,

asked Apr 4, 2019 in Class 12 by kratos

+3 votes

1 answer

Match the column I with column II and mark the appropriate choice.

asked Apr 4, 2019 in Class 12 by kratos

+3 votes

1 answer

Give the magnitude and direction of the net force acting on a high-speed electron in space far from all material objects,

asked Apr 4, 2019 in Class 11 by kratos

+2 votes

1 answer

If the speed of the stone is increased beyond the maximum permissible value, and the string breaks suddenly,

asked Apr 4, 2019 in Class 11 by kratos

+3 votes

1 answer

In the figure (i) an extensible string is fixed at one end and the other end is pulled by a tension T.

asked Apr 4, 2019 in JEE by kratos

+2 votes

1 answer

The system shown is in limiting equilibrium. The coefficient of friction for all contact surfaces is 1/4.

asked Apr 3, 2019 in JEE by kratos

+1 vote

0 answers

In the figure given, the position-time graph of a particle of mass 0.1 kg is shown. The impulse at t = 2 sec is

asked Apr 3, 2019 in Class 12 by kratos

+2 votes

1 answer

Why is it easier to open a door by applying the force at the free end of it?

asked Apr 3, 2019 in Class 10 by kratos

+3 votes

1 answer

A block of mass m is connected to another block of mass M by a spring (massless) of spring constant k.

asked Apr 2, 2019 in JEE by kratos

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