Physics question and answers for June 20, 2024
- Q d pers 4 A rod of length 4 m is suspended from two wires as shown in figure One of them is made of steel and other of copper of...
- Q In the figure shown force F at applied on the block m Here a is a constant and t is the time Find the acceleration of the blocks 0 m...
- Q In the given figure the angle of inclination of the inclined plane is 30 Find the horizontal velocity Vo so that the particle hits the inclined plane perpendicularly A V...
- Q a d 0 48 m inclined rough surfaces of height h each The angles of inclination of the two planes are 30 and 60 respectively All other factors e g...
- Q A ball of mass m is suspended from the ceiling with the help of an elastic cord An additional downward force applied on the ball if increased gradually to a...
- Q 80 kg 20 m s 14 A cart is moving to the right with a constant speed of 20 m s A box of mass 80 kg moves with the...
- Q A block of mass 60 kg slides over a horizontal distance of 0 9 m If the coefficient of friction between their surface is 0 15 then work done against...
- Q The circuit shown in the figure consists of a battery of emf E resistances R and R2 inductance L and a two way switch ABC First A is connected to...
- Q A block of mass m rests on a horizontal table executing SHM along horizontal with amplitude A when block just starts to slip then the perioc u coefficient of friction...
- Q 14 In case i wedge B is stationary and block A starts sliding when the angle of plane is greater than a certain value 0 while in case ii wedge...
- Q The Electricity developed on objects when they are rubbed with each other is called a Frictional Electricity b Electrified c Polarity d Viterons
- Q 2 A series LCR circuit consists of an inducto capacitor C and a resistor R connected across a source of emf sin oot When L current in the circuit is...
- Q 84 Two bodies of masses m and 4m are attached to a light string as shown in Fig 8 262 A body of mass m hanging from string is executing...
- Q A body of mass m falls from rest at a height y If the drag resisting force of air is assumed to be proportional to the instantaneous velocity v of...
- Q The system of two blocks is at rest as shown in the figure A variable horizontal force is applied on the upper block The coefficient of friction for both the...
- Q 2 27 A and B are two points 28 cm apart on a inclined plane and the difference in level between them is 15 cm A force of 300 g...
- Q J A m is kept over another block of mass M and the system rests on a horizontal surface figure 8 E1 A constant horizontal force F acting on the...
- Q ng figure shows two blocks A and B pushed against the wall with a force F The wall is smooth but the surfaces in contact of A and B are...
- Q A block of mass 5 and ii pulled in case B by a force F 20 N making an angle of 30 with the horizontal as shown in the figures...
- Q 09 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 vo The distance...
- Q A drive train has a driving gear with 12 teeth and a radius of 1 inch and a driven gear with 36 teeth and a radius of 3 inches In...
- Q 07 The force required to just move a body up an inclined plane is double the force required to just prevent the body from sliding down the plane The coefficient...
- Q The friction coefficient between a road and the tyre of a vehicle is 4 3 Find the maximum incline the road may have so that once hard brakes are applied...
- Q 0 The angle between the resultant contact force and the normal force exerted by a body on the other is called the angle of friction Show that if be the...
- Q 21 A block of mass m is kept on a horizontal ruler The friction coefficient between the ruler and the block is u The ruler is fixed at one end...
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