physics

An object of mass 50kg is placed on inclined plane at an angle of 30 degrees to the horizontal. The height of the plane is 250cm and it's length is 500cm. What is the workdone in moving the object down the plane?

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  1. assuming no friction, gravity does all the work and it is the change in potential energy

    m g h = 50 * 9.81 * .250 Joules

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    posted by Damon
  2. I response

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    posted by Maryam
  3. Please can some one help me to solve this assignment

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    posted by Maryam
  4. F=mgcos@= 50*9.81*sin30= 424.8N
    H=250cm= 2.5m
    W=F*h = 424.8*2.5= 1062 J

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    posted by Wale

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