Recent questions tagged rigid bodies

+1 vote

1 answer

(a) Name the poem and the poet. (b) How does potato digging turn into a procession?

asked Apr 7, 2019 in Class 12 by kratos

+1 vote

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A wheel is rotating at 900 r.p.m. about its axis. When power is cut *** it comes to rest in 1 minute. The angular retardation in rad/*^2 is

asked Apr 6, 2019 in JEE by kratos

+3 votes

1 answer

Find the torque of a force vector F = -3i + j + 5k acting at the point vector r = 7i +3j + k.

asked Apr 5, 2019 in Class 12 by kratos

+2 votes

1 answer

Moment of inertia of an ellipse shaped wire of mass ‘m’, semimajor axis ‘a’ about an axis passing

asked Apr 4, 2019 in JEE by kratos

+2 votes

1 answer

Moment of inertia × angular acceleration equal to :

asked Apr 3, 2019 in JEE by kratos

+1 vote

1 answer

If the radius of the earth is suddenly contracts to half of its present value, then the duration of day will be of

asked Apr 2, 2019 in JEE by kratos

+2 votes

1 answer

A fly wheel gains a speed of 240 rpm in 3 *. Calculate the change in its angular speed in three seconds.

asked Apr 1, 2019 in JEE by kratos

+2 votes

1 answer

Two blocks A and B of masses 3 m and m respectively are connected by a

asked Mar 31, 2019 in JEE by kratos

+3 votes

1 answer

What is the principle of moments ?

asked Mar 30, 2019 in Class 11 by kratos

+3 votes

1 answer

A circular disc of radius R has uniform thickness. A circular **** of diameter equal to the radius of the disc has been cut out from the disc

asked Mar 27, 2019 in Class 12 by kratos

+2 votes

1 answer

Two rings have their moments of inertia in the ratio 2 : 1 and their diameters are in the ratio 2 : 1. The ratio of their masses will be

asked Mar 14, 2019 in Class 12 by kratos

+2 votes

1 answer

A cyclist has to bend a little Inwards from his vertical position while turning. Why?

asked Mar 13, 2019 in Class 12 by kratos

+3 votes

1 answer

A particle moves on a circular path with decreasing speed. What happens to its angular momentum ?

asked Mar 10, 2019 in Class 12 by kratos

+2 votes

1 answer

The moment of inertia of a thin ring of mass M and radius R about its diameter is

asked Mar 8, 2019 in Class 12 by kratos

+2 votes

1 answer

A block of mass m is sliding down an inclined plane with constant speed. At a certain instant

asked Mar 7, 2019 in Class 11 by kratos

+2 votes

1 answer

When two blocks connected by a stretched spring (as shown) start moving from rest towards each other under mutual interaction.

asked Mar 7, 2019 in Class 12 by kratos

+2 votes

1 answer

A particle is in clockwise uniform circular motion the direction of its acceleration is radially inward.

asked Mar 6, 2019 in JEE by kratos

+3 votes

1 answer

Two particles of mass m and M are initially at rest and infinitely separated from each other. Due to mutual interactions they approach each other.

asked Mar 6, 2019 in Class 12 by kratos

+2 votes

1 answer

Four particles each of mass m are lying symmetrically on the rim of a disc of mass M

asked Mar 3, 2019 in JEE by kratos

+3 votes

1 answer

Let f : A → B, IA and IB be identify functions on A and B respectively. Then prove that foIA = f = IBof.

asked Feb 28, 2019 in Class 12 by kratos

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