Physics question and answers for April 27, 2024
- Q As shown in the figure two balls of same mass m are situated at the centre of a tube of mass M and are rotating with a uniform angular velocity...
- Q QA thin circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an...
- Q A weightless rod of length 2 carries two equal masses m one tied at lower end A and the other at the middle of the rod at B The rod...
- Q QA uniform rod of mass m and length I is free to rotate in the vertical plane about a horizontal axis passing through its end The rod is released from...
- Q QA thin rod MN free to rotate in the vertical plane about the fixed end N is held horizontal When the end M is released the speed of this end...
- Q A mobile system in the equilibrium condition is shown what is the ratio between weight of square and circle TA HII A 1 6 B 3 1 C 3 4...
- Q A slender homogeneous rod of length 2L floats partly immersed in water being supported by a string fastened to one of its ends as shown in the figure The specific...
- Q Two identical circular discs A and Beach of mass m and radius R are placed horizontally on a smooth horizontal surface with their centers fixed to the surface and touching...
- Q position so that it rotates about A in vertical plane Which of the following represents the hinge force when rod becomes horizontal Rod is rotating clockwise Br
- Q radius R is rolling on a horizontal surface Find the angular momentum of the disc about an axis perpendicular to the plane of disc and fixed at point P to...
- Q In the following figure the velocities are in ground frame and the cylinder is performing pure rolling on the plank velocity of point A would be A Question Type Single...
- Q Figure shows a solid sphere rolling without slipping on a horizontal surface Its radius is r mass is m and the velocity of its center is V Find the angular...
- Q A solid uniform circular disc of mass m and radius R is spinning with angular velocity about its center of mass and is gently placed upon rough horizontal surface The...
- Q A metal rod of mass m can rotate about a horizontal axis O sliding along a circular conductor of radius a Fig The arrangement is located in a uniform magnetic...
- Q With reference to figure of a cube of edge a and mass m which of ulo the following is the incorrect statement O is the centre of the cube a...
- Q 7 A spherical ball rolls on a table without slipping The fraction of its total energy associated with translation is 4 1 3 4 4 4 Afad god 2 5...
- Q answer out or WHICH ONLY ONE IS correct 1 A uniform rod of mass m and length L is free to rotate in the vertical plane about a horizontal axis...
- Q Various object of mass m and radius r having circular cross section are released from rest from an inclined wedge as shown in the figure Assume no slip condition unless...
- Q A uniform rod of mass m is initially rotated about a vertical axis passing through its C M such that speed of both ends is v in opposite direction and...
- Q A circular disc of mass 1 kg and radius 20 cm is rolling down a string without slipping as shown in figure If acceleration due to gravity at that place...
- Q A dipole is placed at position a 0 0 in some external electric field Response of the dipole instantly is presented in Column l Column II is having the field...
- Q 18 1 a b 2 c d 3 b d 4 a d A plate of uniform thickness is shown in figure It s center of mass is at origin...
- Q 3 25 Two blocks each of mass M are connected to the ends of a light frame as shown in figure 3 87 The frame is rotated about f the...
- Q A disc of radius R and thickness has moment of inertia R 48 about an axis passing through its centre and perpendicular to its plane Disc is melted and recast...
- Q Three weights 20 gf 50 gf and 80 gf a re suspended from 10 cm 20 cm and 6 0 cm mark of a uniform metre scale of mass 60g...
- Q 42 180 Mark for Review Which of the following statement is incorrect Moment of inertia is independent of distribution of mass about rotational axis Moment of inertia depends on orientation...
- Q 48 A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends The tube is then rotated in a horizontal...
- Q 1m and mass m 5kg is rolling On a plane surface a hollow sphere of radius R without slipping The centre of the hollow sphere is moving with a speed...
- Q The potential energy U of two atoms of a diatomic molecule as a function of distance between the atoms is shown in the given figure Read the following statements carefully...
- Q 1 A coil having magnetic moment 15 A m placed in a uniform magnetic field of 4 T in the horizontal direction exists such that initially the axis of coil...
- Q 2 9 A particle of mass m slides without friction on the inside of a cone The axis of the cone is vertical and gravity is directed downward The apex...
- Q A rotating Rod on a Sleeve On a smooth rod PQ a sleeve A of mass m can smoothly slide and a thin uniform rod of mass m and length...
- Q Two rods AC and BC of equal length l are hinged together at end C The ends A and B are moving with the velocities 6 m s and 4...
- Q ghest poin 76 A small object placed on a rotating horizontal turn table just slips when it is placed at a distance 4 cm from the axis of rotation If...
- Q A horizontal disc of mass M and radius R rotates freely about a vertical axis through its centre with angular velocity Aring of same mass M and radius R is...
- Q A uniform rod of mass m and length L is free to rotate in the vertical plane about a horizontal axis passing through its end The rod is released from...
- Q QUESTION A13 1 mark A 4 kg rod has a total length of 4 m and a pin O at the position shown G represents the centre of mass 1...
- Q Example 9 15 Three rods each of mass m and length I are joinea to form an equilateral triangle as shown in figure Fina together the moment of inertia of...
- Q The angular momentum of a system of n particles about the origin is Where p is momentum r is the position Pi vector of the particle f is the force...
- Q k 18 10 26 2 10 4 18 10 k 7 2 N m n 10 22 From a uniform circular disc of radius R and mass 9 M a...
- Q a bicycle is in motion the force of friction exerted by ground on two wheels is such he backward direction on the front wheel and in the forward direction on...
- Q 16 Seven identical circular planar disks each of mass M and radius R are welded symmetrically as shown The moment of inertia of the arrangement about the axis normal to...
- Q The moment of inertia of a square plate about axis AB is I then moment of inertia about A B as shown in the figure will be B A A...
- Q A hollow sphere and solid sphere rolls on a horizontal surface without slipping with same linear velocity If both has same mass and radius and total kinetic energy of hollow...
- Q Let current i 2 A be flowing in each part of a wire frame as shown in fig The frame is a combination of two equilateral triangles ACD and CDE...
- Q and move A particle of same mass m moving on the plane with velocity v strikes the rod at pol making an angle 37 with the rod The collision is...
- Q The figure shows an overhead view of a ring that can rotate about its center like a merry go round Its outer radius R is 1 0 m its inner...
- Q Two metallic cylinders A and B of radii 2r and 3r are joined as shown in figure If top end is fixed and lower end is twisted by an angle...
- Q Five forces are applied to a uniform square a 2 0 m as shown where F1 2 C N F2 3 0 N F3 2 8 N F4 5 0...
- Q nder with radius 12 m mass 9 kg and moment of inertial 2 7 kg m around its center is coming down a hill as shown in the picture without...
- Q 4 A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends The tube is then rotated in a horizontal...
- Q Consider a rope of mass 4m and length 4 R on a fixed rough pulley of radius R as shown in the figure The rope is in equilibrium Length of...
- Q Two identical ladybugs sit on a rotating disk as shown in the figure The ladybugs small compared to the radius of the disk are at rest with respect to the...
- Q A system of two blocks A and B are connected by an inextensib The pulley is massless and frictionless Initially the system is at re moving with a velocity u...
- Q A tram is moving to the left at 6 m s and decelerating at 4 m s A 2m rotating rigid rod i attached to the bottom of the tram...
- Q A flanged bolt coupling consists of ten steel 0 5 in diameter bots spaced evenly around boat circle 14 in dianeter Determine torque capacity of the couping if the allowable...
- Q A square plate of mass 10 kg and side 20 m is moving along the groove with the help of two ideal roller massless connected at the corners A and...
- Q 7 Two coherent point sources s and s2 vibrating in phase emit light of wavelength The separation between the sources is 2 The smallest distance from s2 on a line...
- Q A circular portion of diameter R is cut out from a uniform circular disc of mass M and radius R as shown in figure The moment of inertia of the...
- Q 5 3 A body of radius r and mass m is rolling horizontally without slipping with speed v It then rolls up a hill to a maximum height h If...
- Q 5 5 A wheel of radius R rolls without slipping along the x axis with constant speed vo Find the total distance covered by the point on the rim of...
- Q 7 A boy is pushing a ring of mass 2 kg and radius 0 5 m with a stick as shown in the figure The stick applies a force of...
- Q Identify the correct statement for the rotational motion of a rigid body a Individual particles of the body do not undergo accelerated motion b The centre of mass of the...
- Q 5 Calculate the moment of inertia I and Iy and the product of inertia Iy with respect to shown in the Fig 4 Take b 30mm h 40mm t 5mm...
- Q A uniform 255 N rod that is 2 m long carries a 225 N weight at its right end and an unknown weight W 0 5 m from the left...
- Q 218 Systems of In carbon monoxide molecules the carbon and the oxygen atoms are se of the centre of mass from the carbon atom is 1 0 48 A 2...
- Q base R 5 0 cm rolls uniformly and without slipping over a hori zontal plane as shown in Fig 1 8 The cone apex is hinged at the point which...
- Q Question No 40 A body of mass M and radius of gyration K is rotating with angular velocity w 31 f rad s The torque acting on it at t...
- Q A disc of mass m and radius Ris rolling with angular speed w on a horizontal surface as shown in figure The magnitude of angular momentum of the disc about...
- Q Question No 32 A body rolls down an inclined plane If its kinetic energy of translation motion is 50 of its total energy then the body is O Solid cylinder...
- Q When a sphere of moment of inertia I about its centre of gravity and mass m rolls from rest down an inclined plane without slipping its kinetic energy is 1...
- Q A horizontal circular disk with mass m and radius 2r can rotate easily about its vertical axis of symmetry O A small boy with mass km starts in A when...
- Q A thin circular ring of mass M and radius R rotates about an axis through its centre and perpendicular to its plane with a constant angular velocity Four small spheres...
- Q body of mass M and radius of gyration K is rotating with angular velocity w 3t t2 rad s The torque acting on it at t 1 s will be...
- Q A solid uniform ball of mass m and radius R collides elastically with a rough fixed inclined surface as shown Velocity and angular velocity of ball just before collision are...
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