General
Easy
Physics-

A block of mass m equals 2 times k subscript E end subscript is resting on a rough inclined plane of inclination 30° as shown in fignre. The coefficient of friction between the block and the plane is =0.5. What minimam force F shald be applied perpendicular to the plane of block does not slip on the plane ? open parentheses g equals 10 text end text m s to the power of negative 2 end exponent close parentheses

Physics-General

  1. 2.68 N    
  2. acm    
  3. 4.3 N    
  4. 6.24 N    

    Answer:The correct answer is: 2.68 N

    Book A Free Demo

    +91

    Grade*

    Related Questions to study

    General
    physics-

    Three blocks having equal mass of 2 text end text k g are hanging on a string passing over a pulley as shown in figure. whal will be the tension prodoced in a string connccting the blocks B and C.

    Three blocks having equal mass of 2 text end text k g are hanging on a string passing over a pulley as shown in figure. whal will be the tension prodoced in a string connccting the blocks B and C.

    physics-General
    General
    physics-

    A bag of sand of mass m is suspended hy rope. A bullet of mass m/30 is fired at it with a velocity v and gets embedded into it . The velocity of the bag finally is

    A bag of sand of mass m is suspended hy rope. A bullet of mass m/30 is fired at it with a velocity v and gets embedded into it . The velocity of the bag finally is

    physics-General
    General
    physics-

    Three blocks A,B, and C of equal mass m are placed one over the other, one on a smooth horizontal ground as shown in figure. Cefixime of friction between any two blocks of A,B and C is 0.5. What would he the maximum value of mass of block D so that the blocks A,B and C move without slipping over each other '?

    Three blocks A,B, and C of equal mass m are placed one over the other, one on a smooth horizontal ground as shown in figure. Cefixime of friction between any two blocks of A,B and C is 0.5. What would he the maximum value of mass of block D so that the blocks A,B and C move without slipping over each other '?

    physics-General
    General
    physics-

    A blankbody of mass m rests on horizontal surface. The coefficient of friction between the body and the surface is if the body is pulled by a force P as shown in figure the limiting function between body and surface will be

    A blankbody of mass m rests on horizontal surface. The coefficient of friction between the body and the surface is if the body is pulled by a force P as shown in figure the limiting function between body and surface will be

    physics-General
    General
    physics

    A satellite of mass m is orbiting close to the surface of the earth (Radius R=6400 km ) has a K.E. K. The corresponding K.E. of satellite to escape from the earth's gravitational field is

    A satellite of mass m is orbiting close to the surface of the earth (Radius R=6400 km ) has a K.E. K. The corresponding K.E. of satellite to escape from the earth's gravitational field is

    physicsGeneral
    General
    physics

    A planet moving along an elliptical orbit is closest to the sun at a distance r1 and farthest away at a distance of r2. If v1 and v2 are the liner velocities at these points respectively, then the ratio v subscript 1 over v subscript 2 is

    A planet moving along an elliptical orbit is closest to the sun at a distance r1 and farthest away at a distance of r2. If v1 and v2 are the liner velocities at these points respectively, then the ratio v subscript 1 over v subscript 2 is

    physicsGeneral
    General
    maths-

    If the unit vectors a with not stretchy bar on top and b with not stretchy bar on top are inclined at an angle 2 theta such that vertical line a with not stretchy bar on top minus b with not stretchy bar on top vertical line less than 1, then theta lies in the interval

    If the unit vectors a with not stretchy bar on top and b with not stretchy bar on top are inclined at an angle 2 theta such that vertical line a with not stretchy bar on top minus b with not stretchy bar on top vertical line less than 1, then theta lies in the interval

    maths-General
    General
    physics-

    A block of mass m=4 kg is placed over a rough inclined plane as shown in figure, The cocfficient of friction between the block and plane is s=0.6.A force F=10 N is applied on the block of an angle at 30° The contact force between the block and the plane is

    A block of mass m=4 kg is placed over a rough inclined plane as shown in figure, The cocfficient of friction between the block and plane is s=0.6.A force F=10 N is applied on the block of an angle at 30° The contact force between the block and the plane is

    physics-General
    General
    physics-

    Two bodies A and B cach of mass m are fixed together by a massless spring A force F acts on the mass B as shown in figure. At the instant shown, a body A has an accelcration a. what is the acceleration of B?

    Two bodies A and B cach of mass m are fixed together by a massless spring A force F acts on the mass B as shown in figure. At the instant shown, a body A has an accelcration a. what is the acceleration of B?

    physics-General
    General
    physics-

    A mass of 6 kg is suspended by a rope of lengih 2 m form the ceiling . A force of 50 N in the horizonlal direction is applied at the mid Point P of the rope as shown in figure. what is the angle the rope makes. with the vertical in equilibrium ? open parentheses g equals 10 text end text m s to the power of 2 end exponent close parentheses Neglect mass of the rope:

    A mass of 6 kg is suspended by a rope of lengih 2 m form the ceiling . A force of 50 N in the horizonlal direction is applied at the mid Point P of the rope as shown in figure. what is the angle the rope makes. with the vertical in equilibrium ? open parentheses g equals 10 text end text m s to the power of 2 end exponent close parentheses Neglect mass of the rope:

    physics-General
    General
    physics-

    Three masses 1 text end text k g comma 6 text end text k g and 3 text end text k g are connccied to cach other with threads and are placed on a table as shown in figure. The alcceleration with which the system is moving is negative m s to the power of 2 end exponent open parentheses g equals 10 m s to the power of 2 end exponent close parentheses

    Three masses 1 text end text k g comma 6 text end text k g and 3 text end text k g are connccied to cach other with threads and are placed on a table as shown in figure. The alcceleration with which the system is moving is negative m s to the power of 2 end exponent open parentheses g equals 10 m s to the power of 2 end exponent close parentheses

    physics-General
    General
    physics-

    If the surfaces shown in figure are frictionless, the ratio of T subscript 1 end subscript and T subscript 2 end subscript is

    If the surfaces shown in figure are frictionless, the ratio of T subscript 1 end subscript and T subscript 2 end subscript is

    physics-General
    General
    physics-

    Three blocks of masers m subscript 1 end subscript comma m subscript 2 end subscript and m subscript 3 end subscript text end text a r e blank c o n n e c t e d by massless strings as shown in figure, on a frictionless table. They are Pulled with the force T subscript 3 end subscript equals 40 text end text N. If m subscript 1 end subscript equals 10 text end text k g comma text end text m subscript 2 end subscript equals 6 text end text k g and m subscript 3 end subscript equals 4 k g the tension T subscript 2 end subscript will b e equals horizontal ellipsis horizontal ellipsis blank N

    Three blocks of masers m subscript 1 end subscript comma m subscript 2 end subscript and m subscript 3 end subscript text end text a r e blank c o n n e c t e d by massless strings as shown in figure, on a frictionless table. They are Pulled with the force T subscript 3 end subscript equals 40 text end text N. If m subscript 1 end subscript equals 10 text end text k g comma text end text m subscript 2 end subscript equals 6 text end text k g and m subscript 3 end subscript equals 4 k g the tension T subscript 2 end subscript will b e equals horizontal ellipsis horizontal ellipsis blank N

    physics-General
    General
    physics

    The time period T of the moon of planet Mars(Mm) is related to its orbital radius R as (G = Gravitational constant)

    The time period T of the moon of planet Mars(Mm) is related to its orbital radius R as (G = Gravitational constant)

    physicsGeneral
    General
    chemistry-

    The most common minerals of phosphorus are

    Phosphorus minerals is called as hydroxy apatite and fluorapatite

    The most common minerals of phosphorus are

    chemistry-General
    Phosphorus minerals is called as hydroxy apatite and fluorapatite