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Work done and potential energy on a frictionless inclined plane? watch

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    An object of mass 12kg is pushed 34m up a frictionless slope that is at an angle of 56 degrees to the horizontal

    (a) work done on object?
    (b) change in gravitational potential energy?

    please help!
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    bump please anyone? lol
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    If there is no speed then consider the force up the plane to be just higher than the force acting down it(equal forces) the force acting down the plane is 12(9.81)sin58 then use wd=fd to find work done
 
 
 
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