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#### If is defined by

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#### Answer:The correct answer is:

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#### Two blocks of Nass 8 kg and 4 kg and connected a heavy string placed on rough horizontal plane, 4 kg block is Pulled with a constant force F. The co-efficient of friction between the blocks and the ground is 0.5 , what is the value of F, So that the tension in the spring is constant throughout during the motion of the blocks? (g=10ms^{-2})

#### Two blocks of Nass 8 kg and 4 kg and connected a heavy string placed on rough horizontal plane, 4 kg block is Pulled with a constant force F. The co-efficient of friction between the blocks and the ground is 0.5 , what is the value of F, So that the tension in the spring is constant throughout during the motion of the blocks? (g=10ms^{-2})

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#### Seven blocks, each of mass 1 kg and arranged one above the other as shown in figure. what are the values of the contact forces exerted on the third block by the forth and the second block respectively ? (g=10ms^{-2})

#### Seven blocks, each of mass 1 kg and arranged one above the other as shown in figure. what are the values of the contact forces exerted on the third block by the forth and the second block respectively ? (g=10ms^{-2})

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maths-

#### If

#### If

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#### A man is standing on a spring balance. reading of spring balance is 60kgf It man jumps out side balance, then wading of

#### A man is standing on a spring balance. reading of spring balance is 60kgf It man jumps out side balance, then wading of

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#### A car turns a comer on a slippery road at a constant speed of 10m/5. If the coefficient of friction is 0.5, the minimum radius of the are at which the car turns is …….. meter.

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maths-

#### Let

#### Let

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#### A Person standing on the floor of a lift drops a coin. The coin reaches the floor of the lift in time to if the lift is stationary and the time t_{2} if il is acceleratcd in upward direction. Than

#### A Person standing on the floor of a lift drops a coin. The coin reaches the floor of the lift in time to if the lift is stationary and the time t_{2} if il is acceleratcd in upward direction. Than

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physics

#### A lift of mass 1000 kg is moving with an acceleration of 1 ms^{-2} in upward direction tension developed in the rope of lift is…..N (g=9.8ms^{-2})

#### A lift of mass 1000 kg is moving with an acceleration of 1 ms^{-2} in upward direction tension developed in the rope of lift is…..N (g=9.8ms^{-2})

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physics

#### On the horizontal surface of a truck (=0.6) . a block of mass 1kg is placed. If the truck is accelerating at the rale of 5 m/s^{2} then frictional force on the block will be_

#### On the horizontal surface of a truck (=0.6) . a block of mass 1kg is placed. If the truck is accelerating at the rale of 5 m/s^{2} then frictional force on the block will be_

physicsGeneral

physics-

#### The strain-stress curves of three wires of different materials are shown in the figure. P,Q and R the elastic limits of the wires the figure shows that

#### The strain-stress curves of three wires of different materials are shown in the figure. P,Q and R the elastic limits of the wires the figure shows that

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physics-

#### The adjacent graph shows the extension of a wire of length I m suspended from the top of a roof at one end with the load W connected to the other end. If the cross sectional area of the wire is , calculate the young's modulus of the material of the wire.

#### The adjacent graph shows the extension of a wire of length I m suspended from the top of a roof at one end with the load W connected to the other end. If the cross sectional area of the wire is , calculate the young's modulus of the material of the wire.

physics-General

physics-

#### The graph is drawn between the applied force F and the strain (x) for a thin uniform wire the wire behaves as a Iiquid in the part.

#### The graph is drawn between the applied force F and the strain (x) for a thin uniform wire the wire behaves as a Iiquid in the part.

physics-General

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#### The graph shows the behavior of a length of wire in the region for which the substance obeys Hooke's law. P & Q represent.

#### The graph shows the behavior of a length of wire in the region for which the substance obeys Hooke's law. P & Q represent.

physics-General

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#### The potential energy U between two molecules as a function of the distance x between them has been shown in the figure. The two molecules are.

#### The potential energy U between two molecules as a function of the distance x between them has been shown in the figure. The two molecules are.

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physics-

#### The value of force constant between the applied elastic. force F and displacement will be

#### The value of force constant between the applied elastic. force F and displacement will be

physics-General