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a block(500N) is being pulled along a surface having coefficients of kinetic and staic friction of 0.45 and 0.5 respectively..draw a free body diagram of the block and find the minimum force that can be applied to the block at an angle 15¢X below the surface to keep the block moving once it has started to move.

  • physics -

    assuming the surface is horizontal.

    pulling force horizonatl=mu*(mg+force*sinAngle)
    solve for Force.

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