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Laws of Motion Test - 42
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Laws of Motion Test - 42
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  • Question 1/10
    4 / -1
    Two blocks, 4 kg and 2 kg are sliding down an incline plane as shown in figure. The acceleration of 2 kg block is

    Solutions

  • Question 2/10
    4 / -1
    A block is at rest on an inclined plane making an angle α with the horizontal. As the angle α of the incline is increased, the block starts slipping when the angle of inclination becomes θ. The coefficient of static friction between the block and the surface of the inclined plane is or A body starts sliding down at an angle θ to horizontal. Then coefficient of friction is equal to
    Solutions

  • Question 3/10
    4 / -1
    The force required just to move a body up an inclined plane is double the force required just to prevent the body sliding down. If the coefficient of friction is 0.25, the angle of inclination of the plane is
    Solutions

  • Question 4/10
    4 / -1
    A box is placed on an inclined plane and has to be pushed down. The angle of inclination is
  • Question 5/10
    4 / -1
    A force of 750 N is applied to a block of mass 102 kg to prevent it from sliding on a plane with an inclination angle 30o with the horizontal. If the coefficients of static friction and kinetic friction between the block and the plane are 0.4 and 0.3 respectively, then the frictional force acting on the block is
    Solutions

  • Question 6/10
    4 / -1
    An ice cube is kept on an inclined plane of angle 30o. Coefficient of kinetic friction between block and incline plane is l/√3 What is acceleration of block?
    Solutions

  • Question 7/10
    4 / -1
    A body of mass 100 g is sliding from an inclined plane of inclination 30°. What is the frictional force experienced if µ = 1.7?
    Solutions

  • Question 8/10
    4 / -1
    A block is kept on an inclined plane of inclination θ of length l. The velocity of particle at the bottom of inclined plane is (the coefficient of friction is µ)
    Solutions

  • Question 9/10
    4 / -1
    A body is sliding down an inclined plane having coefficient of friction 0.5. If the normal reaction is twice that of the resultant downward force along the incline, the angle between the inclined plane and the horizontal is
    Solutions

  • Question 10/10
    4 / -1
    A block of mass 10 kg is placed on an inclined plane. When the angle of inclination is 30°, the block just begins to slide down the plane. The force of static friction is
    Solutions

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