Exercise – Form III – FRICTION – ACTIVITY 4

ACTIVITY 4
1.  A block of wood rests on slopping plane that makes an angle of 31° with the horizontal. The block suddenly begins to slide downhill. What is the coefficient of static friction?
2.   A mass is placed on an inclined plane such that if can move at constant speed when slightly happened. If the angel on the plane makes with the horizontal plane is 30. Find the coefficient of dynamic function
 3.  What is the normal reaction of a body of mass 10kg placed on 
     an inclined plane of angle 30°?

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