a block mass 70kg is dragged up a frictionless slope for 15cm the slope has an angle of 20 degrees above the horizon without necessarily solving for the work done on the block describe the situation physically tell me what forces are at play and how they act. in what direction? what physic principle will you need? what trigonometric principles will you need and what do these principals mean? Demonstrate your knowledge of work and energy in your description solving problem will help but not full credit

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