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Easy
Question
A block of mass M is placed on a horizontal surface and it is tied with an inextensible string to a block of mass, as shown in figure. A block of mass m0 is also placed on M
If 
< min (the minimum friction required to keep the block m stationary), then the downward acceleration of m is
The correct answer is:
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A block of mass M is placed on a horizontal surface and it is tied with an inextensible string to a block of mass, as shown in figure. A block of mass m0 is also placed on M
The minimum value of for which the block m remains stationary is
A block of mass M is placed on a horizontal surface and it is tied with an inextensible string to a block of mass, as shown in figure. A block of mass m0 is also placed on M
The minimum value of for which the block m remains stationary is
Physics-General
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A block of mass M is placed on a horizontal surface and it is tied with an inextensible string to a block of mass, as shown in figure. A block of mass m0 is also placed on M
If there is no friction between any two surfaces, then
If a friction force exist between block M and the horizontal surface with the coefficient of friction .
A block of mass M is placed on a horizontal surface and it is tied with an inextensible string to a block of mass, as shown in figure. A block of mass m0 is also placed on M
If there is no friction between any two surfaces, then
If a friction force exist between block M and the horizontal surface with the coefficient of friction .
Physics-General
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A man balances himself in a horizontal position by pushing his hands and feet against two parallel walls. His centre of mass lies midway between the walls. The coefficients of friction at the walls are equal. Which of the following is not correct?
A man balances himself in a horizontal position by pushing his hands and feet against two parallel walls. His centre of mass lies midway between the walls. The coefficients of friction at the walls are equal. Which of the following is not correct?
Physics-General
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The coefficient of friction between 4kg and 5 kg blocks is 0.2 and between 5kg block and ground is 0.1 respectively. Choose the correct statements
The coefficient of friction between 4kg and 5 kg blocks is 0.2 and between 5kg block and ground is 0.1 respectively. Choose the correct statements
Physics-General
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Adjoining figure shows a force of 40 N acting at 30° to the horizontal on a body of mass 5 kg resting on a smooth horizontal surface. Assuming that the acceleration of free–fall is 10 ms–2, which of the following statements A, B, C, D, E is (are) correct? [1] The horizontal force acting on the body is 20 N [2] The weight of the 5 kg mass acts vertically downwards [3] The net vertical force acting on the body is 30 N
Adjoining figure shows a force of 40 N acting at 30° to the horizontal on a body of mass 5 kg resting on a smooth horizontal surface. Assuming that the acceleration of free–fall is 10 ms–2, which of the following statements A, B, C, D, E is (are) correct? [1] The horizontal force acting on the body is 20 N [2] The weight of the 5 kg mass acts vertically downwards [3] The net vertical force acting on the body is 30 N
Physics-General
Physics-
A student calculates the acceleration of m1 in figure shown as 
Which assumption is not required to do this calculation.
A student calculates the acceleration of m1 in figure shown as Which assumption is not required to do this calculation.
Physics-General
Physics-
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
Maximum retardation of M is:
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
Maximum retardation of M is:
Physics-General
Physics-
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
Maximum velocity of M is:
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
Maximum velocity of M is:
Physics-General
Physics-
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless . The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
Physics-General
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
Choose the incorrect statement, if m1 = m2 = m and both the persons jump one by one, then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
Choose the incorrect statement, if m1 = m2 = m and both the persons jump one by one, then
Physics-General
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When both the persons jump simultaneously with urel with respect to the trolley, then the velocity of the trolley is
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When both the persons jump simultaneously with urel with respect to the trolley, then the velocity of the trolley is
Physics-General
Physics-
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When both the persons jump simultaneously with same speed then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When both the persons jump simultaneously with same speed then
Physics-General
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When only the person standing at B jumps from the trolley towards right while the person at A keeps standing, then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When only the person standing at B jumps from the trolley towards right while the person at A keeps standing, then
Physics-General
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When the person standing at A jumps from the trolley towards left with urel with respect to the trolley, then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown.
When the person standing at A jumps from the trolley towards left with urel with respect to the trolley, then
Physics-General
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L.
Choose the correct statement
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L.
Choose the correct statement
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