A wooden box on a smooth floor is acted upon by two horizontal forces

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A wooden box on a smooth floor is acted upon by two horizontal forces. Student A pushes the box with a force of 20 N20\,\text{N} directed 30∘30^{\circ} north of east, while Student B pulls it with a force of 15 N15\,\text{N} due south. (a) Select a suitable scale and draw both forces from a common point so that their magnitudes and directions are correctly represented. (b) Measure the diagram to determine the magnitude and direction of the net force acting on the box. (c) Will the box accelerate? Justify your answer on the basis of the net force obtained.

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