Chapter 6 – Newton’s Laws of Motion
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A lift is moving in upward direction. The total mass of the lift and the passengers is 1600 kg. The variation of the velocity of the lift is as shown in the figure. The tension in the rope at t=8s will be
08
Sep
A lift is moving in upward direction. The total mass of the lift and the passengers is 1600 kg. The variation of the velocity of the lift is as shown in the figure. The tension in the rope at t=8s will be A person standing on the floor of an elevator drops as coin. The [...]
An elevator car whose floor-to-ceiling distance is equal to 2.7m starts ascending with a constant acceleration 1.2m/s2;2.0s after the start a bolt begins falling from the ceiling of the car.
08
Sep
An elevator car whose floor-to-ceiling distance is equal to 2.7m starts ascending with a constant acceleration 1.2m/s2;2.0s after the start a bolt begins falling from the ceiling of the car. An elevator car whose floor-to-ceiling distance is equal to 2.7m starts ascending with a constant acceleration 1.2m/s2;2.0s after the start a bolt begins falling from [...]
A person standing on the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t1 if the elevator is stationary and in the t2 if it is moving uniformly. Then
08
Sep
A person standing on the floor of an elevator drops as coin. The coin reaches the floor of the elevator in a time t1 if the elevator is stationary and in the t2 if it is moving uniformly. Then A person standing on the floor of an elevator drops as coin. The coin reaches the [...]
A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively
08
Sep
A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively A man slides down a light rope whose breaking strength η times the [...]
The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is
08
Sep
The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if [...]
In an elevator moving vertically up with an acceleration g, the force exerted on the floor by a passenger of mass M is
08
Sep
In an elevator moving vertically up with an acceleration g, the force exerted on the floor by a passenger of mass M is In an elevator moving vertically up with an acceleration g the force exerted on the floor by a passenger of mass M is September 8, 2020 Category: Cengage NEET by C.P Singh [...]
In the given diagram, with what force must be man pull the rope the hold the plank in position? Weight of the man is 60 kg. Neglect the weights of plank, rope and pulley :
08
Sep
In the given diagram, with what force must be man pull the rope the hold the plank in position? Weight of the man is 60 kg. Neglect the weights of plank, rope and pulley : In the given diagram rope and pulley : with what force must be man pull the rope the hold the [...]
A painter is raising himself and the crate on which he stands with an acceleration of 5m/s2 by a massless rope and pulley arrangement. Mass of the painter is 100 kg and that of the crate is 50 kg. If g=10m/s2, then the
08
Sep
A painter is raising himself and the crate on which he stands with an acceleration of 5m/s2 by a massless rope and pulley arrangement. Mass of the painter is 100 kg and that of the crate is 50 kg. If g=10m/s2, then the A man slides down a light rope whose breaking strength η times [...]
A block of mass 10 kg is pushed up on a smooth inclined plane of inclination 30, so that it has acceleration 2 m/s^2. The applied force is
08
Sep
A block of mass 10 kg is pushed up on a smooth inclined plane of inclination 30, so that it has acceleration 2 m/s^2. The applied force is A block of mass 10 kg is pushed up on a smooth inclined plane of inclination 30 so that it has acceleration 2 m/s^2. The applied force [...]
A man of mass m stands on a frame of mass M. He pulls on a light rope, which passes over a pulley. The other end of the rope is attached to the frame. For the system to be in equilibrium, what force must the man exert on the rope?
08
Sep
A man of mass m stands on a frame of mass M. He pulls on a light rope, which passes over a pulley. The other end of the rope is attached to the frame. For the system to be in equilibrium, what force must the man exert on the rope? A man of mass m [...]