Gravity Slope forces

Classical Mechanics Level 3

A block of 20 kg mass is pulled up a slope at constant velocity by applying force acting parallel to the slope. If the slope makes an angle of 30 degree with the horizontal, calculate

i) The work done in pulling the load up a distance of 3.0 meters along the slope.

ii) The increase in its potential energy of the block?

Details and Assumptions

  • Take \(g = 9.8\text{ m/s}^2\)
  • Provide the answer as (i) + (ii).

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