A 5kg block weighing 49 newtons sits on a frictionless, horizontal surface. A horizontal force of 20 newtons toward the right is applied [Neglect air resistance] On the diagram, draw a vector to represent each of the three forces acting on the block. Begin each vector at point C and label the size in newtons. [3]

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the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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