Chapter 5 – Laws of Motion
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 5 - Laws of Motion
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 [...]
The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slide down from rest the top and just comes to rest at the foot . If the ratio of smooth length to rough length is m:n, find the coefficient of friction .
19
Oct
The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slide down from rest the top and just comes to rest at the foot . If the ratio of smooth length to rough length is m:n, find the coefficient of friction . A mass M [...]
A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is
19
Oct
A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction [...]
A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continues to act afterwards. The coefficient of static friction and sliding friction are 0.5 and 0.4 respectively. The acceleration of the body is
19
Oct
A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continues to act afterwards. The coefficient of static friction and sliding friction are 0.5 and 0.4 respectively. The acceleration of the body is A mass M is suspended by a rope from a rigid [...]