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A uniform rod of length l is placed symmetrically on two walls as shown in figure. The rod is in equilibrium. If N1 and N 2 are the normal forces exerted by the walls on the rod then:
26
Sep
A uniform rod of length l is placed symmetrically on two walls as shown in figure. The rod is in equilibrium. If N1 and N 2 are the normal forces exerted by the walls on the rod then: A uniform rod of length l is placed symmetrically on two walls as shown in figure. [...]
A cube of side a is placed on an inclined plane of inclination theta. What is the maximum value of theta for which the cube will not topple?
26
Sep
A cube of side a is placed on an inclined plane of inclination theta. What is the maximum value of theta for which the cube will not topple? A cube of side a is placed on an inclined plane of inclination theta. What is the maximum value of theta for which the cube will not [...]
A cube of side a and mass m is to be titled at point A by applying a force F as shown in figure. The minimum force required is
26
Sep
A cube of side a and mass m is to be titled at point A by applying a force F as shown in figure. The minimum force required is A cube of side a and mass m is to be titled at point A by applying a force F as shown in figure. The minimum [...]
A ladder of length l and mass m is placed against a smooth vertical wall, but the ground is not smooth. Coefficient of friction between the ground and the ladder is μ. The angle θ at which the ladder will stay in equilibrium is
26
Sep
A ladder of length l and mass m is placed against a smooth vertical wall, but the ground is not smooth. Coefficient of friction between the ground and the ladder is μ. The angle θ at which the ladder will stay in equilibrium is A ladder of length l and mass m is placed against [...]
In an experiment with a beam balance, an unknown mass m is balanced by two known masses of 16 kg and 4 kg as shown in figure. The value of the unknown mass m is
26
Sep
In an experiment with a beam balance, an unknown mass m is balanced by two known masses of 16 kg and 4 kg as shown in figure. The value of the unknown mass m is an unknown mass m is balanced by two known masses of 16 kg and 4 kg as shown in figure. [...]
O is the centre of an equilateral triangle ABC. F1, F2 and F3 are the three forces acting along the sides AB,BC and AC respectively. What should be the value of F3 so that the total torque about O is zero?
26
Sep
O is the centre of an equilateral triangle ABC. F1, F2 and F3 are the three forces acting along the sides AB,BC and AC respectively. What should be the value of F3 so that the total torque about O is zero? BC and AC respectively. What should be the value of F3 so that the [...]
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 frictions sufficienty high so that the block does not slide before toppling, the minimum force required to topple the block is
26
Sep
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 frictions sufficienty high so that the block does not slide before toppling, the minimum force required to topple the block is if radii [...]
Uniform rod AB is hinged at the end A in horizontal position as shown in fig. The other end is connected to a block through a massless string as shown. The pulley is smooth and massless. Masses of block and rod is same and is equal to m. Then acceleration of block just after release from this position is
26
Sep
Uniform rod AB is hinged at the end A in horizontal position as shown in fig. The other end is connected to a block through a massless string as shown. The pulley is smooth and massless. Masses of block and rod is same and is equal to m. Then acceleration of block just after release [...]
A horizontal force F is applied at the top of an equilateral triangular block having mass m. The minimum coefficient of friction required to topple the block before translation will be
26
Sep
A horizontal force F is applied at the top of an equilateral triangular block having mass m. The minimum coefficient of friction required to topple the block before translation will be A horizontal force F is applied at the top of an equilateral triangular block having mass m. The minimum coefficient of friction required to [...]
Given a uniform disc of mass M and radius R. A small disc of radius R/2 is cut from this disc in such a way that the distance between the centres of the two discs is R/2. Find the moment of inertia of the remaining disc about a diameter of the original disc perpendicular to the line connecting the centres of the two discs
26
Sep
Given a uniform disc of mass M and radius R. A small disc of radius R/2 is cut from this disc in such a way that the distance between the centres of the two discs is R/2. Find the moment of inertia of the remaining disc about a diameter of the original disc perpendicular to [...]