Physics question and answers for June 19, 2024
- Q A block of mass 4 kg is placed over another block of mass 5 kg The 5 kg block is placed over smooth plane while coefficient of friction between two...
- Q Two object each of mass 40 kg rests on two rough inclined planes having inclination 30 and 37 respectively If coefficients of friction for these surfaces are 0 6 and...
- Q 14 A system consists of three masses m m and m3 connected by a string passing over a pulley P The mass m hangs freely and m and m3 are...
- Q 1 Refractive index of violet yellow and Red colour of light for a material of lens are 1 66 1 64 1 62 respectively If mean focal length of lens...
- Q In the figure shown there is a block of mass 4kg kept over a block of mass 6kg Coefficient of friction between block is and between block and ground is...
- Q A block is placed on a rough plane whose inclination to the horizontal 0 can be varied The angle of repose is 30 The graph that correctly indicates the variation...
- Q 43 A block of mass 4 kg is placed on a rough fixed inclined plane as shown The minimum force F which is parallel to inclined to keep the block...
- Q A uniform rod of length 2 and mass m is suspended from one end by inextensible string and other end lies on smooth ground The angle made by rod with...
- Q A solid onere rough surface as shown in figure Two forces having magnitude 2F and F are applied as shown If the sphere performs pure rolling along right direction then...
- Q 0 A block of mass 2 kg is pulled along a horizontal surface by applying a force at an angle 30 with the horizontal If the block travels with a...
- Q 2 If a pushing force making an angle a with horizontal is applied on a block of mass m placed on horizontal table and angle of friction is B then...
- Q mple 12 A 1000 kg engine pulls a train of 4 wagons each of 2500 kg along a horizontal railway track If the engine exerts a force of 50000 N...
- Q A 40 kg slab B rests on a smooth floor as shown in figure A 10 kg block A rests on the top of the slab The static coefficient of...
- Q iii Two block system on a F M M M M g both blocks move together with acceleration a F M M with a max HM M b F H...
- Q A spring of force constant k 300 N m connects two blocks having masses 2 kg and 3 kg lying on a smooth horizontal plane If the spring block system...
- Q Illustration 44 In a hemispherical bowl of radius r there is an insect at its bottom Coefficient of friction between the insect and the surface of the bowl is u...
- Q A 8 kg block A is placed on 2 kg block B which rests on a table Coefficient of friction between A and B is 0 5 and between B...
- Q 17 A small block of mass m is moved on a rough hemisphere with the help of string as shown in the figure The work done by friction on the...
- Q A block of mass 1 kg is placed on the rough horizontal surface of a car moving with constant acceleration a 2m s starting from rest as shown The net...
- Q It the coefficient of friction between the block of mass 5 kg and wall is 0 5 then minimum force F required to hold the block with the wall is...
- Q Two cars of unequal masses use similar tyres If they are moving with same initial speed the minimum stopping distance 1 Is smaller for the heavier car 2 Is smaller...
- Q The car A is used to pull a load B with the pulley arrangement shown If A has a forward velocity v determine an expression for the upward velocity vg...
- Q 4 A implied B and B implies A 29 In the figure shown the friction coefficient between the block of mass 1 Kg and the plank of mass 2 Kg...
- Q 7 Two blocks of mass 1 kg each are joined by a string and placed on two inclined planes The string passes over a pulley Fig 2 43 Coefficient of...
- Q An insect of mass m 3 kg is inside a vertical drum of radius 2 m that is rotating with an angular velocity of 5 rad s The insect doesn...
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