Physics-
General
Easy
Question
A disc is rolling (with slipping) on a horizontal surface. C is its centre and Q and P are two points equidistant from C. Let 
, 
and 
be the magnitude of velocities of points P, Q and C respectively, then :
The correct answer is:
Related Questions to study
physics-
Consider a body, shown in figure, consisting of two identical balls, each of mass M connected by a light rigid rod. If an impulse J = Mv is imparted to the body at one of its end, what would be its angular velocity :
Consider a body, shown in figure, consisting of two identical balls, each of mass M connected by a light rigid rod. If an impulse J = Mv is imparted to the body at one of its end, what would be its angular velocity :
physics-General
physics-
One quarter section is cut from a uniform circular disc of radius R. This section has a mass M. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is :-
One quarter section is cut from a uniform circular disc of radius R. This section has a mass M. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is :-
physics-General
physics-
A thin wire of length L and uniform linear mass density 
is bent into a circular loop with centre at O as shown. The moment of inertia of the loop about the axis XX' is :
A thin wire of length L and uniform linear mass density is bent into a circular loop with centre at O as shown. The moment of inertia of the loop about the axis XX' is :
physics-General
physics-
A cubical block of side L rests on a rough horizontal surface with coefficient of friction µ. A horizontal force F is applied on the block as shown. If the coefficient of friction is sufficiently high, so that the block does not slide before toppling, the minimum force required to topple the block is :-
A cubical block of side L rests on a rough horizontal surface with coefficient of friction µ. A horizontal force F is applied on the block as shown. If the coefficient of friction is sufficiently high, so that the block does not slide before toppling, the minimum force required to topple the block is :-
physics-General
physics-
An equilateral triangle ABC formed from a uniform wire has two small identical beads initially located at A. The triangle is set rotating about the vertical axis AO. Then the beads are released from rest simultaneously and allowed to slide down, one along AB and other along AC as shown. Neglecting frictional effects, the quantities that are conserved as beads slides down are
An equilateral triangle ABC formed from a uniform wire has two small identical beads initially located at A. The triangle is set rotating about the vertical axis AO. Then the beads are released from rest simultaneously and allowed to slide down, one along AB and other along AC as shown. Neglecting frictional effects, the quantities that are conserved as beads slides down are
physics-General
physics-
A disc of mass M and radius R is rolling with angular speed 
on a horizontal plane as shown. The magnitude of angular momentum of the disc about the origin O is :-
A disc of mass M and radius R is rolling with angular speed on a horizontal plane as shown. The magnitude of angular momentum of the disc about the origin O is :-
physics-General
physics-
A cubical block of side 'a' moving with velocity v on a horizontal smooth plane as shown. It hits a ridge at point O. The angular speed of the block after it hits O is :-
A cubical block of side 'a' moving with velocity v on a horizontal smooth plane as shown. It hits a ridge at point O. The angular speed of the block after it hits O is :-
physics-General
physics-
Let I be the moment of inertia of a uniform square plate about an axis AB that passes through its centre and is parallel to two of its sides. CD is a line in the plane of the plate that passes through the centre of the plate and makes an angle 
with AB. The moment of inertia of the plate about the axis CD is then equal to:-
Let I be the moment of inertia of a uniform square plate about an axis AB that passes through its centre and is parallel to two of its sides. CD is a line in the plane of the plate that passes through the centre of the plate and makes an angle with AB. The moment of inertia of the plate about the axis CD is then equal to:-
physics-General
physics-
A particle of mass 'm' is projected with a velocity v making an angle of 
with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height 'h' is :-
A particle of mass 'm' is projected with a velocity v making an angle of with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height 'h' is :-
physics-General
physics-
A small particle of mass m is projected at an angle with the x-axis with an initial velocity v0 in the x-y plane as shown in the figure. At a time 
the angular momentum of the particle is:
A small particle of mass m is projected at an angle with the x-axis with an initial velocity v0 in the x-y plane as shown in the figure. At a time the angular momentum of the particle is:
physics-General
physics-
For the given uniform square lamina ABCD, whose centre is O :
For the given uniform square lamina ABCD, whose centre is O :
physics-General
physics-
A force of 
acts on O, the origin of the co-ordinate system. The torque about the point (1, –1) is :
A force of acts on O, the origin of the co-ordinate system. The torque about the point (1, –1) is :
physics-General
physics-
A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about O ?
A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about O ?
physics-General
physics-
A ring of mass M and radius R sliding with a velocity 
suddenly enters into rough surface where the coefficient of friction is 
, as shown in figure. Choose the correct alternative(s)
A ring of mass M and radius R sliding with a velocity suddenly enters into rough surface where the coefficient of friction is , as shown in figure. Choose the correct alternative(s)
physics-General
chemistry-
The vapour pressure of a pure liquid 'A' is 0.80 atm. When a non-volatile solute ' B' is dissolved in 'A', it vapour pressure becomes 0.60 atm. The mole fraction of 'B' in the solution -
The vapour pressure of a pure liquid 'A' is 0.80 atm. When a non-volatile solute ' B' is dissolved in 'A', it vapour pressure becomes 0.60 atm. The mole fraction of 'B' in the solution -
chemistry-General
