Physics question and answers for June 19, 2024
- Q packet is dropped from rest onto a conveyor belt which is unning with a velocity v If the coefficient of kinetic friction between the package and belt is u find...
- Q 5 A bullet of mass 0 05 kg moving with a speed 5 of 80 m s enters a wooden block and is stopped after a distance of 0 40...
- Q A person with a mass m stands in contact against a rough wall of cylindrical drum rotor of radius R without floor The rotor is rotating about its axis with...
- Q In the arrangement shown in figure m 4 0 kg and m 1 0 kg The system is released from rest and block B is found to have a speed...
- Q A mouse with mass mm 200 g sits on a wedge shaped block with mass m 850 g and inclination angle 0 40 The block rests on a spring scale...
- Q A block slides with constant velocity on a plane inclined at an angle 0 The same block is pushed up the plane with an initial velocity v The distance covered...
- Q A block of mass m is placed on the top of bigger wedge M All the surfaces are frictionless The system is released from rest Find the distance moved by...
- Q A block having mass m is placed over an inclined wedge of same mass and o inclination 45 to the horizontal to the co efficient of friction between all surfaces...
- Q A body is executing SHM with amplitude of xo Its angular frequency is w At some position on its path its potential energy is equal to kinetic energy The velocity...
- Q 1 A block of mass m slips on a rough horizontal table under the action of a horizontal force applied to it The coefficient of friction between the block and...
- Q 9 A block of mass 2 kg is pushed against a rough vertical wall with a force of 40 N coefficient of static friction being 0 5 Another horizontal force...
- Q 5 Consider the situation shown in figure 6 E9 Suppose a small electric field E exists in the space in the vertically upward direction and the upper block carries a...
- Q 1 Consider the situation shown in figure 8 E2 The system is released from rest and the block of mass 10 kg is found to have a speed 0 3...
- Q A body is projected upwards with a velocity u It passes through a certain point above the ground after t second The time after which the body passes through the...
- Q a g 57 Block A is placed on a rough wedge B which is placed on a smooth surface The wedge has angle of inclination of 53 and is imparted...
- Q Example 6 5 A 10 g block placed on a rough horizontal floor being pulled by a constant force 50 N Coefficient of kinetic Fiction between the block and the...
- Q 4 A block slides down an inclined surface of inclination 30 with the horizontal Starting from rest it covers 8 m in the first two seconds Find the coefficient of...
- Q 3 In a children s park a heavy rod is pivoted at the centre and is made to rotate about the pivot so that the rod always remains horizontal Two...
- Q 3 A block of mass m is kept on a horizontal table If the static friction coefficient is u find the frictional force acting on the block
- Q D A boy of mass M is applying a horizontal force to s a box of mass M on a rough horizontal surface coefficient of friction between the shoes of...
- Q 0 A car goes on a horizontal circular road of radius R the du a The friction dt speed increasing at a constant rate coefficient between the road and the...
- Q A block is placed on a rough floor and a horizontal force F is applied on it The force of friction f by the floor on the block is measured...
- Q A 40 kg slab rests on a frictionless floor A 10 kg block rests on the top of the slab The static coefficients of friction between the block and the...
- Q with which it 1 to make the Force F Find it has to be 1987 7M strings of d frictionless 161 26 In the figure the blocks A B and...
- Q a 11 Two 30 kg blocks rest on a massless belt which passes over a fixed pulley and is attached to 40 kg block If coefficient of friction between the...
- Q A parabolic bowl with its bottom at origin has the shape y x 20 Here x and y are in mete The maximum height at which a small mass m...
- Q F 20N 4kg 0 6 0 4 From the fig the acceleration of the block is
- Q Statement 1 A car moves along a road with uniform speed The path of car lies in vertical plane and is shown in fig The radius of curvature R of...
- Q One Correct Options block A of mass M moving with speed u collides stically with block B of mass m which is connected to ck C of mass m with...
- Q A labourer lifts a stack of several identical bricks each of amss 1 kg by pressing hard with his hands The corfficient of static friction for all surfaces is u...
- Q Three blocks A B and C of equal mass m are placed one over the other on a smooth horizontal ground as The maximum value of shown in figure Coefficient...
- Q A plank of mass m 8 kg with a bar of mass m 2 kg placed on its rough surface lie on a smooth floor of elevator ascending with an...
- Q Fatos furtam dinin The force which results when there is a direct physical contact between two interacting objects is known as a contact force 7 14 pm The force which...
- Q The centre of mass of a system cannot change its state of motion unless there is an external force acting on it Yet the internal force of the brakes can...
- Q A 0 5 kg block slides from the point A on a horizontal track with an initial speed 3 m s towards a weightless horizontal spring of length 1 m...
- Q A block of mass 4 kg is placed on another block B of mass 5 kg and the block B rests on a smooth horizontal table If the maximum force...
- Q Block A of mass 1 kg is kept on block B of mass 2kg which is kept on smooth surface as shown n figure At t 0 both blocks are...
- Q Two masses m 5 kg and m 10 kg connected by an inextensible string over a frictionless pulley are moving as shown in the figure The coefficient of friction of...
- Q R 2005 A smooth block is released at rest on a 45 incline and then slides a distance d The time taken to slide is n times as much to...
- Q A body of mass 2 kg moving on a horizontal surface with an initial velocity of 4 m sec comes to rest after 2 sec If one wants to keep...
- Q The friction coefficient between the table and the block shown in figure 6 E4 is 0 2 Find the tensions in the two strings 15 kg 5 kg Figure 6...
- Q 2 The breaking strength of the cable used to pull a body is 40 N A body of mass 8 kg is resting on a table of coefficient of friction...
- Q A car is moving on a circular path and takes a turn If R and R be the reactions on the inner and outer wheels respectively then A R R...
- Q 3 A constant force is being applied on a rod of length l kept at rest on two parallel conducting rails connected at ends by resistance R in uniform magnetic...
- Q 25 A block of mass m is in contact with the cart C as shown in the figure The coefficient of static friction between the block and the cart is...
- Q A car has two horns having a difference in frequency of 180 Hz The car is approaching a stationary obser with a speed of 60 ms Calculate the difference in...
- Q 7 A body kept on an inclined plane has an angle of repose 30 If the inclination is increased to 60 with wha acceleration will the body slide down the...
- Q 35 A uniform rod AB of weight W rests with the end A on rough horizontal surface and the other end B against a smooth vertical wall If the rod...
- Q 15 A car is moving round a curve of radius 20 m without slipping on a banked road with 0 45 Assuming the coefficient of friction between the road and...
- Q For what minimum value of the applied force P there will be no relative motion between 4 kg block and 2 kg block in the arrangement shown in figure Take...
- Q 2 ideal The block of mass m is placed on a rough horizontal floor and it is pulled by a string as shown by a constant force F As the...
- Q Two blocks of mass 2 kg and 3 kg are kept on level ground having coefficient of static friction and 0 4 respectively from ground The blocks are connected by...
- Q A tram is moving with an acceleration of 49 cm s 2 If 50 of the engine power is used up to overcome fric tion and the remaining 50 is...
- Q A car is accelerating on a horizontal road with acceleration 20 m s A box that is placed inside the car of mass m 10 kg is put in contact...
- Q A block of mass M is kept on a frictionless horizontal table A body of mass m is kept on the block If a force F parallel to the table...
- Q Use your brain power the As a civil engineer you are given contract to construct a curved road in a ghat In order to obtain the banking angle you need...
- Q 23 An engine of mass 105 kg is moving up an inclined plane of gradient 5 at a speed of 100 m h The engine has an effciency of 4...
- Q box starts to slip and slides 4 0 m down the plank in 4 0 s The coefficients of static and kinetic friction between the box and the plank will...
- Q Two blocks of masses m and m are connected by a spring of stiffness k The coefficient of friction between th blocks and the surface is u 1 2 The...
- Q ATION 16 A B 2kg 4kg frictionless 0 5 F ind out the maximum value of F for which both the blocks will move
- Q 1 Temperature 3 Cohesive force 4 The inclination of surface 31 When a capillary tube is immersed in a liquid then liquid of mass M rises in the capillary tube...
- Q Let f x be a function satisfying f x f x with f 0 1 and g be the functie satisfying f x g x x The value of the...
- Q A half section of a uniform hollow sphere of mass m is at rest A force 5F is applied from inner side of sphere as shown in figure Assume that...
- Q A small block of mass m is projected with a speed 2 m s on a horizontal smooth floor which merges into a rough horizontal circular ring in shape of...
- Q A ray of light moving along the unit vector i 2j undergoes refraction at an interface of two media which is the x z plane The refractive index for y...
- Q of kinetic friction between the body and the inclined plane sin 37 3 5 Ans 0 67 24 The minimum force required to move a block up a rough plane...
- Q 3 Iwo blocks are connected by a rope of negligible mass as shown The lower block has mass my and the coefficient of kinetic friction between this block and the...
- Q If two S H M are represented by equations y 10 sin 3nt TL 4 and Y 5 sin 3 t 3 cos 3rt then find the ratio of their...
- Q Two blocks are connected over a massless pulley as shown in figure The mass of block A is 10 kg and the coefficient of kinetic friction is 0 2 Block...
- Q Ball 1 has a mass m 0 4 kg Ball 2 has a mass m 0 2 kg and Ball 3 has a mass m 0 3 kg Ball 1...
- Q how far will it rise be A body is pushed up an inclined plane with an initial velocity of 14 6 m s It takes 2 s to reach its...
- Q 1 A block of mass 25 kg is lying on an inclined plane of angle 30 In order to make it move upward along the slope with an acceleration of...
- Q 5 A man manages to balance a block of mass 2 kg by pushing it horizontally against an erect wall If 0 25 between the wall and the block and...
- Q 1 A plank with a box on it at one end is gradually raised about the other end As the angle of inclination with the horizontal reaches 30 the box...
- Q 6 Five vectors X Y Z OB and AO are connected as shown in figure If OB AO then which of the following option is correct o 1 X Y...
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