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A mass of 4 kg rest on a horizontal plan...

A mass of 4 kg rest on a horizontal plane . The plane is gradually inclined until an angle `0 = 15^(@)` with the horizontal and the mass just begins to slide . What is the coefficient of static friction between the block and the surface ?

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A mass of 4 kg rests on a horizontal plane. When the plane is gradually inclined to an angle 0 -15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface? [Given, tan 15° = 0.2679)

A block of mass 4kg rests on a rough horizontal plane. The plane is gradually inclined until at an angle theta=60^(@) , with the vertical, the mass just begins to side. What is the coefficient of static friction between the block and the plane?

A block of mass 5 kg rests on a inclined plane at an angle of 30^(@) with the horizontal. If the block just begins to slide, then what is the coefficient of static friction between the block and the surface?

A block of mass 20 kg is placed on a rough horizontal surface. When a force of 80 N is applied at an angle of 30°with the horizontal, the block just begins to slide. What is the coefficient of static friction ? (g= 10m//s^2 )

A block of mass 8 kg is sliding on a surface inclined at an angle of 45^(@) with the horizontal. Calculate the acceleration of the block. The coefficient of friction between the block and surface is 0.6. (Take g=10m//s^(2) )

A partical of mass 1kg rests on rought contact with a plane inclined at 30^(@) to the horizontal and is just about to slip, Find the coefficient of friction between the plane and the particle.

A block of mass 5 kg is placed on a rough inclined plane. The inclination of the plane is gradually increased till the block just begins to slide down. The inclination of the plane is than 3 in 5. The coefficient of friction between the block and the plane is (Take, g = 10m//s^(2) )

A block of mass 8 kg is sliding on a surface inclined at an angle of 45^(@) with the horizontal . Calculate the acceleration of the block . The coefficient of friction between the block and surface is 0*6 ( Take g = 10 m//s^(2) )

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

SL ARORA-Laws of Motion-Exercise
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  8. A motor car running at the rate of 7ms^(1) can be stooped by applying ...

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  9. A force of 50N is inclined to the vertical at an angle of 30^(@) Find ...

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  14. A hammer weighing 1 kg moving with the speed of 10ms^(-1) strikes the ...

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  15. A hammer weighing 1 kg moving with the speed of 10ms^(-1) strikes the ...

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  16. Two billiard balls of mass 50 g moving in oppositedirections with spee...

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  17. A machine gun has a mass of 20 kg . It fires 35 g bullets at the rate ...

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  18. A ball of mass 20 gram hits a wall at an angle of 45^(@) with a veloci...

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  19. A glass ball whose mass is 10 g falls from a height of 40 m and reboun...

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  20. A force acting on a body of mass 2 kg varies with time as shown in fig...

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  21. A force acting on a body of mass 2 kg varies with time as shown in fig...

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