Physics question and answers for April 24, 2024
- Q A uniform rod of mass M and length is dropped on horizontal smooth surface from the position shown Immediately after elastic collision with horizontal surface velocity of centre of mass...
- Q Four spheres each of mass M and diameter 2a are placed at one corner of square of side b as shown below Calculate the moment of inertia w r t...
- Q 3 24 N A string wrapped on a pulley of moment T Other end of the string is connected to block of mass m as shown If m is released...
- Q In both the figures all other factors are same except that in figure i AB is rough and BC is smooth while in figure ii AB is smooth and BC...
- Q 39 A wheel of radius 1 m rolls forward half of a revolution on a horizontal ground The magnitude of the displacement of the point P shown in the figure...
- Q A force of FK acts at the origin of the co ordinate system The torque of the force about a point having co ordinate 1 1 is 1 F i...
- Q 3 If a rigid body is rotating about an axis passing through the point 21 1 k and parallel to 1 21 2k with an angular velocity 3 radians sec...
- Q A bullet of mass 10 g and speed 500 m s is fired into a door and it gets embedded exactly at the centre of the door The door is...
- Q Starting from rest an object rolls down along an incline that rises by 3 in every 5 along it The object gains a speed of 10 m s as it...
- Q Uniform circular ring of radius 0 5 m has a mass 10 kg and a uniform circular disc of the same radius has a mass 10 kg Calculate their moment...
- Q 44 Two loops P and Q are made from a uniform wire The radii of P and Q are R and R respectively and their moment of inertia about axes...
- Q 23 A rod of length and radius ris joined to a rod of length and radius end of small rod is fixed to a rigid base and the free end...
- Q A uniform straight rod of mass 50 kg and length 4 m is to be supported on two supports equidistant from the respective ends What can be the maximum distance...
- Q A rope remains wrapped over the circumference of a wheel of radius r and of moment of inertia I about its axis If a mass m is suspended from the...
- Q P A solid cylinder has mass M length L and radius R The moment of inertia of this cylinder about generator is An axis tangential to surface and parallel to...
- Q A uniform circular disc has radius R and mass m A particle also of mass m is fixed at point A on the edge of the disc as shown in...
- Q A plank of mass M is placed over smooth triangular wedge with angle of inclination 30 Block of mass m is connected to the plank by massless string A cylinder...
- Q A semicircular wire of radius r 2m is supported in its vertical plane by a hinge at O and a smooth peg P starts moving from O with constant acceleration...
- Q 9 A disc of radius 0 2 m rolls without slipping on a horizontal surface with a velocity of 6 m s Then it ascends a smooth track as shown...
- Q The moment of inertia of a wheel of radius 0 2 m about an axis passing through its centre is 0 1 kg m It is now allowed from rest...
- Q A uniform solid cylindrical roller of mass m is being pulled on a horizontal surface with force F parallel to the surface and applied at its centre If the acceleration...
- Q 4 A constant torque of 3 14 N m is exerted on a pivoted wheel If the angular acceleration of the wheel is 4 rad s then the moment of...
- Q A beam has a mass m 3 kg and a length L 6 m The beam is pivoted to the ground at point P and the beam makes an angle...
- Q Pulley A Spring Scale Figure 1 ii Is your answer to part Bi consistent with your answer to part a why Pulley B Spring Scale B i Derive an equation...
- Q A uniform ladder of mass 30kg and length 5 m rests against a smooth vertical wall with its lower end on rough horizontal ground The ladder is inclined at 60...
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