Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A ring of mass m and radius (R/4) rolls inside a fixed hoop of radius R such that at the highest point of its trajectory the normal reaction becomes zero. The friction on the hoop is sufficient to ensure pure rolling. Find The angular velocity of the ring in rad/s.
02
Oct
A ring of mass m and radius (R/4) rolls inside a fixed hoop of radius R such that at the highest point of its trajectory the normal reaction becomes zero. The friction on the hoop is sufficient to ensure pure rolling. Find The angular velocity of the ring in rad/s. A rolling body of mass [...]
A bob is attached to a string as shown in the figure below. At the lowest point, it is given a horizontal velocity u. The bob rotates complete circle in vertical plane. For different values of u, it can have different total
01
Oct
A bob is attached to a string as shown in the figure below. At the lowest point, it is given a horizontal velocity u. The bob rotates complete circle in vertical plane. For different values of u, it can have different total A bov is attached to a string as shown in the figure below. [...]
A particle of mass m1 moves in a circular path of radius R on a rotating table. A string connecting the particles m1 and m2 passes over a smooth hole made on the table as shown in Fig. 7.325. If mass m1 does not
01
Oct
A particle of mass m1 moves in a circular path of radius R on a rotating table. A string connecting the particles m1 and m2 passes over a smooth hole made on the table as shown in Fig. 7.325. If mass m1 does not A block is resting over a rough horizontal floor. At t [...]
A car moving along a circular track of radius 50.0 m, accelerates from rest at 3.00 m/s^2. Consider a situation when the car’s centripetal acceleration equals its tangential acceleration.
01
Oct
A car moving along a circular track of radius 50.0 m, accelerates from rest at 3.00 m/s^2. Consider a situation when the car’s centripetal acceleration equals its tangential acceleration. A car moving along a circular track of radius 50.0 m accelerates from rest at 3.00 m/s^2. Consider a situation when the car's centripetal acceleration equals [...]
A 10 kg block on top of a 40 kg block as shown in Fig. 7.324. A horizontal force F acting on B causes an acceleration of 2 m/s^2 to B. For this situation, mark out the correct statements.
01
Oct
A 10 kg block on top of a 40 kg block as shown in Fig. 7.324. A horizontal force F acting on B causes an acceleration of 2 m/s^2 to B. For this situation, mark out the correct statements. A 10 kg block on top of a 40 kg block as shown in Fig. 7.324. [...]
The coefficient of friction between the two blocks is 0.3. whereas the surface AB is smooth. a. Acceleration of the system of masses is 88/15 m/s^2. b. Net force acting on 3 kg mass
01
Oct
The coefficient of friction between the two blocks is 0.3. whereas the surface AB is smooth. a. Acceleration of the system of masses is 88/15 m/s^2. b. Net force acting on 3 kg mass The coefficient of friction between the two blocks is 0.3. whereas the surface AB is smooth. a. Acceleration of the system [...]
Two blocks A and B of masses 5 kg and 2 kg, respectively, connected by a spring of force constant = 100 N/m are placed on an inclined plane of inclination 30 as shown in Fig. 7.322.
01
Oct
Two blocks A and B of masses 5 kg and 2 kg, respectively, connected by a spring of force constant = 100 N/m are placed on an inclined plane of inclination 30 as shown in Fig. 7.322. connected by a spring of force constant = 100 N/m are placed on an inclined plane of inclination [...]
A block is resting over a rough horizontal floor. At t = 0, a time-varying force starts acting on it, the force is described by equation F = kt, where K is constant and t is in seconds. Mark the correct
01
Oct
A block is resting over a rough horizontal floor. At t = 0, a time-varying force starts acting on it, the force is described by equation F = kt, where K is constant and t is in seconds. Mark the correct A block is resting over a rough horizontal floor. At t = 0 a [...]
A 3 kg block of wood is on a level surface where mu s = 0.25 and mu k = 0.2. A force of 7 N is being applied horizontally to the block. Mark the correct statement(s) regarding this situation.
01
Oct
A 3 kg block of wood is on a level surface where mu s = 0.25 and mu k = 0.2. A force of 7 N is being applied horizontally to the block. Mark the correct statement(s) regarding this situation. A 3 kg block of wood is on a level surface where mu s = [...]
Mark the correct statements(s) regarding friction. a. Friction force can be zero, even though the contact surface is rough. b. Even though there is no relative motion between surfaces,
01
Oct
Mark the correct statements(s) regarding friction. a. Friction force can be zero, even though the contact surface is rough. b. Even though there is no relative motion between surfaces, even though the contact surface is rough. b. Even though there is no relative motion between surfaces Mark the correct statements(s) regarding friction. a. Friction force [...]