Cengage JEE Mains Physics by B.M Sharma
Figure shows two blocks, each of mass m. The system is released from rest. If accelerations of blocks A and B at any instant (not initially) are a1 and a2, respectively, then
19
Oct
Figure shows two blocks, each of mass m. The system is released from rest. If accelerations of blocks A and B at any instant (not initially) are a1 and a2, respectively, then each of mass m. The system is released from rest. If accelerations of blocks A and B at any instant (not initially) are [...]
A particle is moving in the x-y plane. At certain instant of time, the components of its velocity and acceleration are as follows: vx=3ms^−1,vy=4ms^−1,ax=2ms^−2 and ay=1ms^−2. The rate of change of speed at this moment is
19
Oct
A particle is moving in the x-y plane. At certain instant of time, the components of its velocity and acceleration are as follows: vx=3ms^−1,vy=4ms^−1,ax=2ms^−2 and ay=1ms^−2. The rate of change of speed at this moment is A particle is moving in the x-y plane. At certain instant of time ax=2ms^−2 and ay=1ms^−2. The rate of [...]
A particle of mass 2kg moves with an initial velocity of (4iˆ+2jˆ)ms−1 on the x-y plane. A force F→=(2iˆ−8jˆ)N acts on the particle. The initial position of the particle is (2m,3m). Then for y=3m,
19
Oct
A particle of mass 2kg moves with an initial velocity of (4iˆ+2jˆ)ms−1 on the x-y plane. A force F→=(2iˆ−8jˆ)N acts on the particle. The initial position of the particle is (2m,3m). Then for y=3m, 3m). Then for y=3m A particle of mass 2kg moves with an initial velocity of (4iˆ+2jˆ)ms−1 on the x-y plane. A [...]
A wooden box is placed on a table. The normal force on the box from the table is N1. Now another identical box is kept on first box and the normal force on lower block due to upper block is N 2 and normal force on lower block by the table is N3 . For this situation, mark out the correct statement(s).
19
Oct
A wooden box is placed on a table. The normal force on the box from the table is N1. Now another identical box is kept on first box and the normal force on lower block due to upper block is N 2 and normal force on lower block by the table is N3 . For [...]
In the the given figure, a person wants to raise a block lying on the ground to a height h. In both the cases, if time required is same, then in which case he has to exert more force? (Assume pulleys and strings light)
19
Oct
In the the given figure, a person wants to raise a block lying on the ground to a height h. In both the cases, if time required is same, then in which case he has to exert more force? (Assume pulleys and strings light) a person wants to raise a block lying on the ground [...]
A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1kgs^−1 and at a speed of 5ms^_1. The initial acceleration of the block is
19
Oct
A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1kgs^−1 and at a speed of 5ms^_1. The initial acceleration of the block is A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a [...]
Two particles A and B, each of mass m are kept stationary by applying a horizontal force F=mg on particle B as shown in figure. Then:
19
Oct
Two particles A and B, each of mass m are kept stationary by applying a horizontal force F=mg on particle B as shown in figure. Then: each of mass m are kept stationary by applying a horizontal force F=mg on particle B as shown in figure. Then: Two particles A and B October 19, 2020 [...]
Figure, represents a light inextensible string ABCDE in which AB=BC=CD=DE and to which are attached masses M, m, and M at the point B,C and D, respectively. The system hangs freely in equilibrium with ends A and E of the string fixed in the same horizontal line. it is given that tanα=3/4 and tanβ=12/5. Then the tension in the string BC is
19
Oct
Figure, represents a light inextensible string ABCDE in which AB=BC=CD=DE and to which are attached masses M, m, and M at the point B,C and D, respectively. The system hangs freely in equilibrium with ends A and E of the string fixed in the same horizontal line. it is given that tanα=3/4 and tanβ=12/5. Then [...]
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Cengage JEE Mains Physics by B.M Sharma
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Chapter 5 - Newton's Laws of Motion (Without Friction)
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and M at the point B ,
C and D ,
Figure ,
m ,
represents a light inextensible string ABCDE in which AB=BC=CD=DE and to which are attached masses M ,
respectively. The system hangs freely in equilibrium with ends A and E of the string fixed in the same horizontal line. it is given that tanα=3/4 and tanβ=12/5. Then the tension in the string BC is ,
A 60kg man stands on a spring scales in a lift. At some instant. He finds that the scale reading has changed from 60kg to 50 kg for a while and then comes back to original mark. What should be concluded?
19
Oct
A 60kg man stands on a spring scales in a lift. At some instant. He finds that the scale reading has changed from 60kg to 50 kg for a while and then comes back to original mark. What should be concluded? A block A has a velocity of 0.6ms^−1 the right. Determine the velocity of [...]
A painter of mass M stands on a platform of mass m and pulls himself up by two ropes which hang over pulley as shown in fig. He pulls each rope with force F and moves upward with a uniform acceleration a. find a, neglecting the fact that no one could do this for long time.
19
Oct
A painter of mass M stands on a platform of mass m and pulls himself up by two ropes which hang over pulley as shown in fig. He pulls each rope with force F and moves upward with a uniform acceleration a. find a, neglecting the fact that no one could do this for long [...]