Physics question and answers for June 21, 2024
- Q Q NO 6 A block of weight 5 kN is pulled by a force P as shown in Fig The coeficient of Friction between the Contact surfaces is 0 35...
- Q 4 Two particles 1 and 2 are allowed to descend on two frictionless chords OP P18 and OQ The ratio of the speeds of the particles 1 and 2 respectively...
- Q Put a uniform meter scale horizontally on your extended index fingers with the left one at 0 00 cm and the right one at 90 00 cm When you attempt...
- Q A ball collides perfectly inelastically with smooth horizontal ground at angle 30 with vertical as shown Fraction of kinetic energy lost by the ball due to collision is Ball 30...
- Q A smooth inclined plane is making an angle 30 to the horizontal a rough plane of same length is held at 45 A body released from the top of each...
- Q Ex 2 If a hemisphere rests in equilibrium with its curved surface in contact with a rough plane inclined to the horizon at an angle a Show that the inclination...
- Q Area of tube is A and is very small in comparison of container Due to ejection of water density p at a velocity v the spring is compressed as shown...
- Q 3 A dc series generator has armature resistance of 0 52 and series field resistance of 0 0352 It drives a load of 50A If it has 6 turns coil...
- Q A wedge of mass M 10kg and inclination a 30 is free to move on a smooth horizontal plane A uniform solid cylinder of mass m 20 kg is placed...
- Q A body of mass 60 g is kept on an inclined plane of inclination 30 If the downward resultant force is 0 1764 N estimate the value of the coefficient...
- Q A block of mass m rests on a rough horizontal surface as shown in figure a and b Coefficient of friction between the block and surface is u A force...
- Q What is the flaw in Aristotle s argument The answer is a moving toy car comes to rest becaus the external force of friction on the car by the floc...
- Q Each of the three plates has a mass of 10 kg If the coefficients of static and kinetic riction at each surface of contact are us 0 3 and k...
- Q 5 A wire of length 1m placed in x z plane carries a current of 1 amp The coefficient of friction between the wire and the surface is 0 2...
- Q A block of mass m 2 kg is resting on a rough inclined plane of inclination 30 as shown in figure The coefficient of friction between the block and the...
- Q c 0 1mg Asmg 0 Two blocks A and B of masses 10 kg and 15 kg are placed in contact with each other rest on a rough horizontal surface...
- Q A uniform ladder AB whose weight is 600 N and length 4 metres rests against a smooth vertical wall making with it an angle of 30 The other end rests...
- Q 16 The system is pushed by a force Fas the figure All surfaces are smooth except between B and C Coefficient of friction between B and C is u Minimum...
- Q Consider an ice skater gliding on ice holding bag of sand that is leaking straight down with respect to the moving skater As a result of the leaking sand the...
- Q 2 In the figure shown a force of 40 N is applied on the plank of mass 5 kg A solid sphere of mass 3 kg rolls without slipping on...
- Q A block of mass 1 kg is placed on the periphery of a rotating rough circular table of radius 50 cm as shown in the figure Angular velocity of the...
- Q Object 2 with mass 1 3kg is at rest on rough surface k 0 45 connected to a cord over massless frictionless pulley to object 1 with mass 10kg what...
- Q A metallic sphere of mass 3 kg in air is held by a string so as to be completel immersed in a liquid of relative density 0 8 The relative...
- Q A bus turns on an unbanked rough road having coefficient of friction 0 4 with a speed of 5 m s The minimum radius of the arc in which bus...
- Q R 9 Option D Consider a rope of mass 4m and length 4R on a fixed rough pulley of radius R as shown in the figure The rope is in...
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