Please wait...

Laws of Motion Test - 40
Result
Laws of Motion Test - 40

  • /

    Score

  • -

    Rank
Time Taken: -
  • Question 1/10
    4 / -1
    A block of mass 5 kg is on a rough horizontal surface and is at rest. Now a force of 24 N is imparted to it with negligible impulse. If the coefficient of kinetic friction is 0.4 and g = 9.8 m/s2, then the acceleration of the block is
    Solutions

  • Question 2/10
    4 / -1
    A body B lies on a smooth horizontal table and another body A is placed on B. The coefficient of friction between A and B is µ. What acceleration given to B will cause slipping to occur between A and B
    Solutions

  • Question 3/10
    4 / -1
    A car turns a corner on a slippery road at a constant speed of 10 m/s. If the coefficient of friction is 0.5, the minimum radius of the arc in meter in which the car turns is
    Solutions

  • Question 4/10
    4 / -1
    A motorcyclist of mass m is to negotiate a curve of radius r with a speed v. The minimum value of the coefficient of friction so that this negotiation may take place safely, is
  • Question 5/10
    4 / -1
    A force of 20 N is applied on a body of mass 5 kg resting on a horizontal plane. The body gains a kinetic energy of 10 joule after it moves a distance 2 m. The frictional force is
    Solutions

  • Question 6/10
    4 / -1
    A block of mass 50 kg can slide on a rough horizontal surface. The coefficient of friction between the block and the surface is 0.6. The least force of pull acting at an angle of 30o to the upward drawn vertical which causes the block to just slide is
    Solutions

  • Question 7/10
    4 / -1
    A body of 10 kg is acted by a force of 129.4 N. If g = 9.8 m/s2. The acceleration of the block is 10 m/s2. What is the coefficient of kinetic friction?
    Solutions

  • Question 8/10
    4 / -1
    Force required to move a mass of 1 kg at rest on a horizontal rough plane (µ = 0.1 and g = 9.8 m/s2) is
    Solutions

  • Question 9/10
    4 / -1
    Consider a car moving along a straight horizontal road with a speed of 72 km/h. If the coefficient of kinetic friction between the tyres and the road is 0.5, the shortest distance in which the car can be stopped is [g = 10 m/s2)
    Solutions

  • Question 10/10
    4 / -1
    A 500 kg horse pulls a cart of mass 1500 kg along a level road with an acceleration of 1 ms–2. If the coefficient of sliding friction is 0.2, then the force exerted by the horse in forward direction is
    Solutions

User Profile
-

Correct (-)

Wrong (-)

Skipped (-)

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Click on Allow to receive notifications
×
Open Now