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- Two blocks of mass 4 kg and 6 kg are attached by a spring of spring constant k = 200 N/m, both blocks are moving with same acceleration. Find elongation in spring
12 | Physics | IIT-JEE Hits: 482
Tags:
Acceleration, Elongation, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A body of mass 2 kg is projected with initial speed 10 m/s and at an angle 60o with horizontal, find resultant of centripetal force and tangential force at highest point of trajectory (g = 10 m/s2)
12 | Physics | IIT-JEEHits: 484
Tags:
Initial Velocities, Impulse, Momentum, Collision Momentum of Ball, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A block of mass 4 kg placed on a horizontal surface is connected to another mass of 3 kg by a mass less inextensible string going over a pulley as shown. A force of F = 50 N is applied horizontally on A as shown. At the instant,
 is . The tension in the string is (take g = 10 m/s2)
12 | Physics | IIT-JEEHits: 3193
Tags:
Horizontal Surface, Inextensible String, Pulley, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A particle O, of mass m is attached to a vertical rod with two inextensible string AO & BO of equal length l. If l be the distance between the points of suspension on the vertical rod. If the setup rotates with angular frequency
 , then
12 | Physics | IIT-JEEHits: 2865
Tags:
Inextensible String, Vertical Rod, Angular Frequency, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- An inclined plane of weight 100 N and angle of inclination
 is acted upon by a horizontal force of 100  3 N as shown. A block of mass 2 kg was kept on the inclined plane initially. Assuming frictionless contacts. The acceleration of mass 2 kg w.r.t ground is (take g = 10 m/s2)
12 | Physics | IIT-JEEHits: 460
Tags:
Acceleration of Mass, Horizontal Force, Angle of Inclination, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A ball of mass m is dropped from a height h on a smooth horizontal rigid plane. It makes an elastic collision and rises to the same height. The average force exerted by the ball on the plane over a sufficiently long time interval is
12 | Physics | IIT-JEEHits: 2086
Tags:
Elastic Collision, Horizontal Force, Angle of Inclination, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A thin circular wire of radius R rotates about its vertical diameter with an angular velocity . For a small bead on the wire to remain at the lowermost position
12 | Physics | IIT-JEEHits: 2944
Tags:
Thin Circular Wire, Angular Velocity, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A body of mass 4 kg is moving at speed 2 m/s on circular path of radius 1 m speed of particle is continuously increasing at rate of 3 m/s2. Force acting on particle at the instant when speed 2 m/s is
12 | Physics | IIT-JEEHits: 2760
Tags:
Circular Path of Radius, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- Two blocks of 4 kg and 6 kg are attached by springs, they are hanging in vertical position, lower spring breaks due to excessive force. Acceleration of 4 kg block just after breaking
12 | Physics | IIT-JEEHits: 492
Tags:
Acceleration, Spring Breaks, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
- A block of mass m is placed on an inclined plane and angle of inclination is increasing with respect to time. Coefficient of friction 3/4, which of the following is incorrect? [tan-1 3/4 = 37o]
12 | Physics | IIT-JEEHits: 480
Tags:
Angle of Inclination, Coefficient of Friction, Spring Breaks, Iit-jee Physics Quiz, Online Physics Quiz, Iit-jee Quiz, Physics Mechanics Quiz, Online Quiz, Mechanics Quiz
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