Volume 1
The pulley shown in the diagram is frictionless. A cat of mass 1kg moves up on the massless string so as to just lift a block of mass 2kg. After some time, the cat stops moving with respect to the string. The magnitude of the change in the cat’s acceleration is
19
Oct
The pulley shown in the diagram is frictionless. A cat of mass 1kg moves up on the massless string so as to just lift a block of mass 2kg. After some time, the cat stops moving with respect to the string. The magnitude of the change in the cat’s acceleration is the cat stops moving [...]
An elastic spring has a length l1 when tension in it is 4N. Its length is l2 when tension in it is 5N. What will be its length when tension in it is 9N?
19
Oct
An elastic spring has a length l1 when tension in it is 4N. Its length is l2 when tension in it is 5N. What will be its length when tension in it is 9N? An elastic spring has a length l1 when tension in it is 4N. Its length is l2 when tension in it [...]
All surfaces shown in figure are smooth. For what ratio m1:m2:m2:m3, system is in equilibrium. All pulleys and strings are massless.
19
Oct
All surfaces shown in figure are smooth. For what ratio m1:m2:m2:m3, system is in equilibrium. All pulleys and strings are massless. All surfaces shown in figure are smooth. For what ratio m1:m2:m2:m3 system is in equilibrium. All pulleys and strings are massless. October 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 5 - [...]
Consider the situation shown in figure. The wall is smooth but the surfaces of A and B in contact are rough. The friction on B due to A in equilibrium.
19
Oct
Consider the situation shown in figure. The wall is smooth but the surfaces of A and B in contact are rough. The friction on B due to A in equilibrium. Consider the situation shown in figure. The wall is smooth but the surfaces of A and B in contact are rough. The friction on B [...]
A sphere of mass m, is held between two smooth inclined walls. For sin37^∘ = 3/5, the normal reactions of the wall (2) is equal to
19
Oct
A sphere of mass m, is held between two smooth inclined walls. For sin37^∘ = 3/5, the normal reactions of the wall (2) is equal to A sphere of mass m is held between two smooth inclined walls. For sin37^∘ = 3/5 the normal reactions of the wall (2) is equal to October 19, 2020 [...]
A block of mass m is placed on an inclined plane with angle of inclination θ let N, fL and F respectively represent the normal reaction limiting force of friction and the net force down the inclined plane. Let μ be the coefficient of friction. the variations of N, fL and F with θ is indicated by plotting graphs as shown its figure. Then, curves 1,2 and 3 respectively represent.
19
Oct
A block of mass m is placed on an inclined plane with angle of inclination θ let N, fL and F respectively represent the normal reaction limiting force of friction and the net force down the inclined plane. Let μ be the coefficient of friction. the variations of N, fL and F with θ is [...]
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2 and 3 respectively represent. ,
A block of mass m is placed on an inclined plane with angle of inclination θ let N ,
curves 1 ,
fL and F respectively represent the normal reaction limiting force of friction and the net force down the inclined plane. Let μ be the coefficient of friction. the variations of N ,
fL and F with θ is indicated by plotting graphs as shown its figure. Then ,
A block of mass m is attached with a massless in string. Breaking strength of string is 4 mg. Block is moving up. The maximum acceleration and maximum retardation of the block can be
19
Oct
A block of mass m is attached with a massless in string. Breaking strength of string is 4 mg. Block is moving up. The maximum acceleration and maximum retardation of the block can be A block of mass m is attached with a massless in string. Breaking strength of string is 4 mg. Block is [...]
A horizontally force of 12 N pushes a 0.5kg book against a vertical wall. The book is initially at rest. If the coefficient of friction are μk=0.6 and μs=0.8 which of the following statements is true?
19
Oct
A horizontally force of 12 N pushes a 0.5kg book against a vertical wall. The book is initially at rest. If the coefficient of friction are μk=0.6 and μs=0.8 which of the following statements is true? A horizontally force of 12 N pushes a 0.5kg book against a vertical wall. The book is initially at [...]
At a given instant, A is moving with velocity of 5m/s upwards. What is velocity of B at that time
19
Oct
At a given instant, A is moving with velocity of 5m/s upwards. What is velocity of B at that time A is moving with velocity of 5m/s upwards. What is velocity of B at that time At a given instant October 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 5 - Laws of [...]
The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively Choose the correct statements.
19
Oct
The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively Choose the correct statements. The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively Choose the correct statements. October [...]