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Physics-

General

Easy

Question

Two blocks each of mass $m equals 2 k g$ placed on rough horizontal surface connected by massless string as shown in the figure and variable horizontal force $F equals t N$ (which t is time) applied then the tension T in string versus time graph is

The correct answer is:

Related Questions to study

A point moves along the arc of a circle of radius R. Its speed varies as $v equals a square root of s comma$ where a is constant and s is the arc length travelled by the particle. The angle $alpha$ between the vector of total acceleration and the vector of velocity is given by

A point moves along the arc of a circle of radius R. Its speed varies as $v equals a square root of s comma$ where a is constant and s is the arc length travelled by the particle. The angle $alpha$ between the vector of total acceleration and the vector of velocity is given by

physics-General

Consider the situation shown in figure. The horizontal surface below the bigger block is smooth. The coefficient of friction between the blocks is $mu.$ Find the minimum force F that can be applied in order to keep the smaller blocks at rest with respect to the bigger block.

Consider the situation shown in figure. The horizontal surface below the bigger block is smooth. The coefficient of friction between the blocks is $mu.$ Find the minimum force F that can be applied in order to keep the smaller blocks at rest with respect to the bigger block.

physics-General

A block of mass m is placed on a wedge of mass 2m which rests on a rough horizontal surface. There is no friction between the block and the wedge. The minimum coefficient of friction between the wedge and the ground so that the wedge does not move is

A block of mass m is placed on a wedge of mass 2m which rests on a rough horizontal surface. There is no friction between the block and the wedge. The minimum coefficient of friction between the wedge and the ground so that the wedge does not move is

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Two masses A and B of 10 kg and 5 kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown in the diagram. The coefficient of A with the table is 0.20. The minimum mass of C that may be placed on A to prevent it form moving is equal to

Two masses A and B of 10 kg and 5 kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown in the diagram. The coefficient of A with the table is 0.20. The minimum mass of C that may be placed on A to prevent it form moving is equal to

physics-General

Two blocks A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure. The coefficient of friction between A and B is 0.4. The maximum horizontal force, which is applied on block A to avoid relative between A and B, is $open parentheses g equals 10 m divided by s to the power of 2 end exponent close parentheses$

Two blocks A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure. The coefficient of friction between A and B is 0.4. The maximum horizontal force, which is applied on block A to avoid relative between A and B, is $open parentheses g equals 10 m divided by s to the power of 2 end exponent close parentheses$

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Two blocks of masses $m subscript 1 end subscript$ and $m subscript 2 end subscript$ are placed in contact with each other on a horizontal platform. Coefficient of friction between the platform and the blocks are same. The platform moves with some acceleration. The force of interaction between the blocks is

Two blocks of masses $m subscript 1 end subscript$ and $m subscript 2 end subscript$ are placed in contact with each other on a horizontal platform. Coefficient of friction between the platform and the blocks are same. The platform moves with some acceleration. The force of interaction between the blocks is

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parallel

Two blocks A and B placed over an inclined plane of inclination $alpha$ have masses m and M. The coefficients of friction between bodies and plane are respectively $mu subscript 1 end subscript$ and $mu subscript 2 end subscript.$ Find the minimum value of $alpha$ at which the blocks start moving if $mu subscript 1 end subscript greater than mu subscript 2 end subscript.$

Two blocks A and B placed over an inclined plane of inclination $alpha$ have masses m and M. The coefficients of friction between bodies and plane are respectively $mu subscript 1 end subscript$ and $mu subscript 2 end subscript.$ Find the minimum value of $alpha$ at which the blocks start moving if $mu subscript 1 end subscript greater than mu subscript 2 end subscript.$

physics-General

The system is pushed by a force F as shown in figure. All surfaces are smooth except between B and C. Friction coefficient between B and C is $mu.$ Minimum value of F to prevent block B from downward slipping is

The system is pushed by a force F as shown in figure. All surfaces are smooth except between B and C. Friction coefficient between B and C is $mu.$ Minimum value of F to prevent block B from downward slipping is

physics-General

Assertion: Consider an ellipse having its focii at A(z₁) and B(z₂) in the argand place. If the eccentricity of the ellipse be 'e' and it is known that origin is an interior point of ellipse, then $e element of$ $open parentheses 0 comma fraction numerator stack vertical line with ̶ on top z subscript 1 end subscript plus z subscript 2 end subscript vertical line over denominator vertical line z subscript 1 end subscript vertical line plus vertical line z subscript 2 end subscript vertical line end fraction close parentheses$ .
Reason: If $Z subscript 0 end subscript$ is the point interior to curve $open vertical bar z minus z subscript 1 end subscript close vertical bar plus open vertical bar z minus z subscript 2 end subscript close vertical bar equals lambda text then end text open vertical bar z subscript 0 end subscript minus z subscript 1 end subscript close vertical bar plus open vertical bar z subscript 0 end subscript minus z subscript 2 end subscript close vertical bar less than lambda$

Assertion: Consider an ellipse having its focii at A(z₁) and B(z₂) in the argand place. If the eccentricity of the ellipse be 'e' and it is known that origin is an interior point of ellipse, then $e element of$ $open parentheses 0 comma fraction numerator stack vertical line with ̶ on top z subscript 1 end subscript plus z subscript 2 end subscript vertical line over denominator vertical line z subscript 1 end subscript vertical line plus vertical line z subscript 2 end subscript vertical line end fraction close parentheses$ .
Reason: If $Z subscript 0 end subscript$ is the point interior to curve $open vertical bar z minus z subscript 1 end subscript close vertical bar plus open vertical bar z minus z subscript 2 end subscript close vertical bar equals lambda text then end text open vertical bar z subscript 0 end subscript minus z subscript 1 end subscript close vertical bar plus open vertical bar z subscript 0 end subscript minus z subscript 2 end subscript close vertical bar less than lambda$

parallel

Find the least horizontal force P to start motion of any part of the system of the three blocks resting upon one another as shown in figure. The weight of blocks are $A equals 300 N comma$ $B equals 100 N$ and $C equals 200 N.$ Between A and B, $mu equals 0.3.$ Between B and C, $mu equals 0.2.$ between c and the ground $mu equals 0.1$

Find the least horizontal force P to start motion of any part of the system of the three blocks resting upon one another as shown in figure. The weight of blocks are $A equals 300 N comma$ $B equals 100 N$ and $C equals 200 N.$ Between A and B, $mu equals 0.3.$ Between B and C, $mu equals 0.2.$ between c and the ground $mu equals 0.1$

physics-General

In the figure, the block A of mass m is placed on the block B of mass 2m. The coefficient of friction between A and B as well as that between the floor and B is $mu.$ Both blocks are given the same initial velocity to the right. The acceleration of A with respect to B is

In the figure, the block A of mass m is placed on the block B of mass 2m. The coefficient of friction between A and B as well as that between the floor and B is $mu.$ Both blocks are given the same initial velocity to the right. The acceleration of A with respect to B is

physics-General

A weightless inextensible rope rests on a stationary wedge forming an angle $alpha$ with the horizontal. On end of the rope is fixed to the wall at the point A. When a small load is attached to the rope at the point B, the wedge starts moving to the right with constant acceleration 'a'. What is the acceleration of the load when its is still on the wedge?

A weightless inextensible rope rests on a stationary wedge forming an angle $alpha$ with the horizontal. On end of the rope is fixed to the wall at the point A. When a small load is attached to the rope at the point B, the wedge starts moving to the right with constant acceleration 'a'. What is the acceleration of the load when its is still on the wedge?

physics-General

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A block of mass m is given an initial downward velocity $v subscript 0 end subscript$ and left on an inclined plane (coefficient of friction $0.7$ ). The block will

A block of mass m is given an initial downward velocity $v subscript 0 end subscript$ and left on an inclined plane (coefficient of friction $0.7$ ). The block will

physics-General

A blocks of mass M is sliding down the plane. Coefficient of static friction is $mu subscript s end subscript$ and kinetic friction is $mu subscript k end subscript comma$ Then friction force acting on the block is

A blocks of mass M is sliding down the plane. Coefficient of static friction is $mu subscript s end subscript$ and kinetic friction is $mu subscript k end subscript comma$ Then friction force acting on the block is

physics-General

A horizontal force $F equals 20 N$ is applied on a block of mass 2 kg placed on rough inclined plane with coefficient of friction $mu equals 0.2$ as shown, then the acceleration of block is $open parentheses tan invisible function application 3 7 degree equals fraction numerator 3 over denominator 4 end fraction comma g equals 10 m divided by s to the power of 2 end exponent close parentheses$

A horizontal force $F equals 20 N$ is applied on a block of mass 2 kg placed on rough inclined plane with coefficient of friction $mu equals 0.2$ as shown, then the acceleration of block is $open parentheses tan invisible function application 3 7 degree equals fraction numerator 3 over denominator 4 end fraction comma g equals 10 m divided by s to the power of 2 end exponent close parentheses$

physics-General

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