Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A light rigid rod of length 4 m is connected rigidly with two identical particles each of mass m=2kg. the free end of the rod is smoothly pivoted at O. The rod is released from rest from its horizontal position at t = 0. Find the angular acceleration of the rod at t = 0 (in rad/s^2).
25
Sep
A light rigid rod of length 4 m is connected rigidly with two identical particles each of mass m=2kg. the free end of the rod is smoothly pivoted at O. The rod is released from rest from its horizontal position at t = 0. Find the angular acceleration of the rod at t = 0 [...]
A disc of mass m and radius r is pivoted smoothly with a block of mass M. A force F1 acts on m and another force F2 acts on M. Assume that ground is smooth . Find the i) linear acceleration of the bodies. ii) angular acceleration of the disc.
25
Sep
A disc of mass m and radius r is pivoted smoothly with a block of mass M. A force F1 acts on m and another force F2 acts on M. Assume that ground is smooth . Find the i) linear acceleration of the bodies. ii) angular acceleration of the disc. Figure shows a vertical force [...]
A uniform solid cylinder A of mass m1 can freely rotate about a horizontal axis fixed to a mount B of mass m2(figure). A constant horizontal force F is applied to the end K of a light thread tightly wound on the cylinder. The friction between the mount and the supporting horizontal plane is assumed to be absent. Find: (a) the acceleration of the point K,
25
Sep
A uniform solid cylinder A of mass m1 can freely rotate about a horizontal axis fixed to a mount B of mass m2(figure). A constant horizontal force F is applied to the end K of a light thread tightly wound on the cylinder. The friction between the mount and the supporting horizontal plane is assumed [...]
A uniform rod AB of mass m = 2 kg and length l = 1.0 m is placed on a sharp support P such that a = 0.4 m and b = 0.6 m. A. spring of force constant k = 600 N/m is attached to end B as shown in Fig. To keep the rod horizontal, its end A is tied with a thread such that the spring is B elongated by 1 CM. Calculate reaction of support P when the thread is burnt.
25
Sep
A uniform rod AB of mass m = 2 kg and length l = 1.0 m is placed on a sharp support P such that a = 0.4 m and b = 0.6 m. A. spring of force constant k = 600 N/m is attached to end B as shown in Fig. To keep the [...]
A uniform rod of mass m and length l can rotate in a vertical plane about a smooth horizontal axis hinged at point H. Find the force exerted by the hinge just after the rod is released from rest from an initial horizontal position?
25
Sep
A uniform rod of mass m and length l can rotate in a vertical plane about a smooth horizontal axis hinged at point H. Find the force exerted by the hinge just after the rod is released from rest from an initial horizontal position? Figure shows a vertical force applied tangentially to a uniform cylinder [...]
A uniform rod of mass m and length l can rotate in a vertical plane about a smooth horizontal axis point H. a. Find angular acceleration α of the rod. just after it is released from initial horizontal position from rest’? b. Calculate the acceleration (tangential and radial) , point A at this moment.
25
Sep
A uniform rod of mass m and length l can rotate in a vertical plane about a smooth horizontal axis point H. a. Find angular acceleration α of the rod. just after it is released from initial horizontal position from rest’? b. Calculate the acceleration (tangential and radial) , point A at this moment. Figure [...]
A car moves with speed v on a horizontal circular track of radius R. A head-on view of the car is shown in figure. The height of the car’s centre of mass above the ground is h, and the separation between its inner and outer wheels is d The road is dry, and the car does not skid. The maximum speed the car can have without overturning is
25
Sep
A car moves with speed v on a horizontal circular track of radius R. A head-on view of the car is shown in figure. The height of the car’s centre of mass above the ground is h, and the separation between its inner and outer wheels is d The road is dry, and the car [...]
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A car moves with speed v on a horizontal circular track of radius R. A head-on view of the car is shown in figure. The height of the car's centre of mass above the ground is h ,
and the car does not skid. The maximum speed the car can have without overturning is ,
and the separation between its inner and outer wheels is d The road is dry ,
A tall block of mass M = 50 kg and base width b = 1 m and height h = 3 m is kept on rough inclined surface with coefficient of friction μ=0.8 as shown in figure. The angle of inclination with the horizontal is 37∘. Determine whether the block slides down or topples over.
25
Sep
A tall block of mass M = 50 kg and base width b = 1 m and height h = 3 m is kept on rough inclined surface with coefficient of friction μ=0.8 as shown in figure. The angle of inclination with the horizontal is 37∘. Determine whether the block slides down or topples over. [...]
A cylinder rests on a horizontal rotating disc, as shown in the figure. Find at what angular velocity, ω, the cylinder falls of the disc, if the distance between the axes of the disc and cylinder is R, and the coefficient of friction μ>D/h, where D is the diameter of the cylinder and h is its height.
25
Sep
A cylinder rests on a horizontal rotating disc, as shown in the figure. Find at what angular velocity, ω, the cylinder falls of the disc, if the distance between the axes of the disc and cylinder is R, and the coefficient of friction μ>D/h, where D is the diameter of the cylinder and h is [...]
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A cylinder rests on a horizontal rotating disc ,
and the coefficient of friction μ>D/h ,
as shown in the figure. Find at what angular velocity ,
if the distance between the axes of the disc and cylinder is R ,
the cylinder falls of the disc ,
where D is the diameter of the cylinder and h is its height. ,
ω ,
Rectangular block B, having height h and width d has been placed on another block A as shown in the figure. Both blocks have equal mass and there is no friction between A and the horizontal surface. A horizontal time dependent force F=kt is applied on the block A. At what time will block B topple? Assume that friction between the two blocks is large enough to prevent B from slipping.
25
Sep
Rectangular block B, having height h and width d has been placed on another block A as shown in the figure. Both blocks have equal mass and there is no friction between A and the horizontal surface. A horizontal time dependent force F=kt is applied on the block A. At what time will block B [...]
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Figure shows a vertical force applied tangentially to a uniform cylinder of weight Fg. The coefficient static friction between the cylinder and both surface is 0.500. In terms of Fg ,
find the maximum force P that can be applied that does not cause the cylinder to rotate. ,
Rectangular block B ,