Physics question and answers for April 26, 2024
- Q A 2cm The figure shows a uniform slab of mass 7 kg What is its moment of inertia in kg cm about the axis normal to the plane of drawing...
- Q A uniform rod of length 7 is pivoted at point A it is struck by a horizontal force which delivers an impulse J at a distance x from point A...
- Q A spring mass system mass m spring constant k and natural length rests in equilibrium on a horizontal disc The free end of the spring is fixed at the centre...
- Q Q10 90 Moment of inertia MI of four bodies having same mass die respectively 4 M of a ring of radius R about tangent axis in the plane of ring...
- Q Two rigid bodies A and B rotate with angular momenta L and Lg respectively The moments of inertia of A and B about the axes of rotation are IA and...
- Q 3 Centrifugal force 4 Frictional force A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends The tube is...
- Q A ring rolls without slipping on a horizontal surface At any instant its position is as shown in the figure Choose the CORRECT statement s A B 0 10 Section...
- Q The diagram shows a semicircular ring carrying uniformly distributed charge 2 C on it The radius of the ring is 4cm A point charge 2 C is taken slowly from...
- Q It is well known that the radius of earth at equator is more than radius at poles To estimate this let s assume two tunnels in earth 1 along the...
- Q 7 A wheel with rotational inertia 0 04 kg m and radius 0 02 m is turning at the rate of 10 revolutions per second when a frictional torque is...
- Q Figure 5 show forces applied to a wheel that weighs 20 N The symbol W stands for the weight In which diagram s is are the wheel in static equilibrium...
- Q sphere rolling on a Wedge A uniform solid sphere of mass m and dius r rolling without slipping down on an inclined wedge of same mass s shown Find velocity...
- Q he same art from ground which wheel 1 3 t T 20 Select incorrect statement 2 t T 4 t 2T 1 During rolling the force of friction acts in...
- Q 6 A solid sphere and a solid cylinder of same mass are rolled down on two inclined planes of heights h and h respectively If at the bottom of the...
- Q 57 Consider three solid spheres sphere i has radius mass 3m and mass m sphere ii has radius r and sphere iii has radius 3r and mass m All can...
- Q View in English solid sphere of mass m rolls without slipping down on inclined plane with an acceleration a The frictional force on the solid sphere due to surface of...
- Q a moment From 30 to 20 kg m s in a period of second The average torque acting on flywheel during this period is uestion Type Single Correct Type 10...
- Q Question No 31 A solid cylinder of mass M and radius R rotates about an axis passing through its centre making 60 rpm Its kinetic energy of rotation is O...
- Q Question No 42 A disc of mass m and radius R is rolling without slipping as shown in the figure The velocity of the point P will be O 3RD...
- Q The linear speed of a uniform spherical sh after rolling down an inclined plane vertical height h from rest is Question Type Single Correct Type 1 2 x 1 3...
- Q Question No 41 A uniform sphere of mass m and radius r rolls without slipping down an inclined plane inclined at an angle 53 to the horizontal What is minimum...
- Q A solid cylinder of mass M and radius 2R is rolled up on an incline with the help of a plank of mass 2M as shown in the figure A...
- Q Question No 43 A hoop of radius r weighs m kg It rolls along a horizontal surface so that centre of mass has speed v m s How much work...
- Q A 0 25 kg meter stick hangs from its top by a peg A 0 12 kg ball is thrown at the meter stick from the side at a speed...
- Q The moment of inertia of a uniform flat disc about its own axis is I The radius of the disc is a A section ABCD of the disc as shown...
- Q A ring and a disc are initially at rest side by side at the top of an inclined plane which makes an angle 60 with the horizontal They start to...
- Q A meter stick supported by two strings hangs horizontally with a block hanging from the meter stick The meter stick is in equilibrium The first string has a tension of...
- Q Example 96 A homogeneous rod AB of length L and mass Mis pivoted at the center O in such a way that it can rotate freely in the vertical plane...
- Q A small mass m is attached to a massless string whose other end is fixed at P as shown in the figure The mass is undergoing circular motion in the...
- Q 78 g 34 cm long rod hangs ertically on a frictionless orizontal axle passing through its enter A 13 g ball of clay traveling orizontally at 2 7 m s...
- Q Suppose you observe your friend mass 65 2 kg stand at the very edge of a motionless merry go round modelled as a thin disk with moment of inertia 9...
- Q SolveLancer Test There is thin uniform rod of mass m and length I It is hinged at one end as shown The hinge makes it is free to rotate in...
- Q Four identical rods each of mass m and length L are jonined to form a square Find the moment of inertia about the x axis 3ML mL 3 2 ML...
- Q radius 4R is rotating about fixed horizontal axis passing through point O with angular velocity A solid cylinder of radius R is rolling without slipping with respect to inner surface...
- Q A uniform rod of 60 kg is hanging in a horizontal position with the help of two threads It also supports of 40 kg mass as shown in the figure...
- Q A uniform sphere of mass M and radius R is placed on a rough horizontal surface Figure The sphere is struck horizontally at a height h from the floor Match...
- Q SolveLancer Test Imaginary lines CD and AB are parallel Two uniform plates XYZ and XWZ are shown They have same and uniform surface area density and same thickness Moment of...
- Q 16 A uniform circular disc of mass 40kg and radius 0 2 m is pivoted at its centre point O and can freely rotate in a horizontal plane about a...
- Q A disc rotating with angular velocity wo Is placed on an inclined plane of inclination a with zero initial velocity as shown Coefficient of friction is u 2 tan 0...
- Q T m 1 A mg cot 2 B mg cot 0 C mg tan 0 D 2mg tan 0 0 A uniform beam of mass m is pivoted at one...
- Q Measuring Torque What is a possible reason why there is a difference percent difference 3 1 torque with force and lever arm perpendicular percent difference 4 1 torque and non...
- Q A uniform square plate has a small piece Q of an irregular shape removed and glued to the centre of the plate leaving a hole behind The moment of inertia...
- Q 37 Which of the following statements is not correct a During rolling the instantaneous speed of the point of contact is zero b During rolling the instantaneous acceleration of the...
- Q A turntable with mass m radius R and rotational mR2 inertia 2 initially rotates freely about an axis through its center at constant angular speed with negligible friction A piece...
- Q 5 A light rigid rod is placed on a frictionless horizontal floor and blocks of masses of m and 2m are attached to the ends of the rod with the...
- Q horizontal square platform of mass m and side a is free to rotate about a vertical axis passing through s centre O The platform is stationary and a person of...
- Q A uniform ladder stands on a rough floor and rests against a frictionless wall as shown in the figure Since the floor is rough it exerts both a normal force...
- Q A wheel of mass m which has a rotational inertia I about and a radius r rotates with an angular speed an axis through its center A retarding force F...
- Q released from rest in the vertical osition 0 0 on a rough Surface is sufficiently rough to prevent just sliding quare comer A as shown in figure then choose correct...
- Q Two solid bodies rotate about stationary and mutually perpendicular intersecting axes with constant angular velocities 0 2 rad s and 2 4 5 rad s The angular acceleration of one...
- Q tarting 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 ES OF RIGID BODIES 2 39 vertices of an equilateral triangle of side
- Q A thin rod of length L and mass M is bent at the middle point o at an angle of 60 The moment of inertia of the rod about an...
- Q A small solid ball mass 0 1 kg rolls without slipping along the track shown in figure The radius of the circular part of track is R If the ball...
- Q AMICS I 2 In the following diagram pulley P is movable and pulley P is fixed The value of angle if system are in equilibrium 1 60 2 30 P...
- Q 28 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...
- Q A solid sphere of mass m rolls without slipping down on inclined plane with an acceleration a The frictional force o the solid sphere due to surface of the plane...
- Q The figure shows a uniform rod of length moving such that co 6 suddenly fixed The angular velocity of the rod will be A velocity of its centre of is...
- Q Top View A particle of mass m moves counterclockwise around a horizontal circle of radius r as shown above The angular speed of the particle is given as a function...
- Q A hollow sphere of mass 12 kg rotates about its axis with angular speed 50 rad s The radius of the hollow sphere is 0 25 m The kinetic energy...
- Q As shown in the figure a planet revolves around the sun in an elliptical orbit Determine the ratio of linear momentum at points P and Q Take R 10000 km...
- Q 54 Four point masses of value 2 5 6 and 3 kg are placed at the four corners of a square frame ABCD of side 0 4 meter having negligible...
- Q A hollow sphere of mass M and radius R is rolling on horizontal surface with speed v Find the angular momentum of sphere about point of contact on surface Question...
- Q E Two identical discs each of negligible mass and radius r r l are connected by a uniform rod of mass m and length as shown in the figure The...
- Q A thin rod of mass m and length 2L is made to rotate about an axis passing through its center and perpendicular to it If its angular velocity changes from...
- Q 44 180 Tark for Review A boy standing on a rotating table with heavy spheres in his hands suddenly brings his hands close to his body Then Angular momentum of...
- Q A wooden bus of mass M 20 000 kg M represents the mass excluding the wheels is on a ramp with angle 0 Each of the four wheels is composed...
- Q A boy standing on a rotating table with heavy spheres in his hands suddenly brings his hands close to his body Then Angular momentum of the system remains same Angular...
- Q 4 Suppose that a spherical star spinning at an initial angular velocity a suddenly collapses to half of its original radius without any loss of mass Assume the star has...
- Q A thread is wound around two discs on either sides The pulley and the two discs have the same mass and radius There is no slipping at the pulley and...
- Q The figure shows a uniform rod of length moving such ol that velocity of its centre of is 6 the rod is suddenly fixed The angular velocity of the rod...
- Q 7 A uniform sphere of mass m and radius r rolls without slipping down an inclined plane inclined at an angle 53 to the horizontal What is minimum value of...
- Q Consider a solid rod of mass m and uniform density resting against a vertical wall and horizonta floor as shown in the figure The coefficients of friction of the rod...
- Q 26 Moment of inertia of a uniform thin rod of mass and length L about the perpendicular bisector xy I Now the rod is bent about the midpoint on the...
- Q A small ring P is threaded on a smooth wire bent in the form of a circle of radius a and center O The wire is rotating with constant angular...
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