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WAEC Physics 2016 Paper

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Question : 11

Total: 47

A plank is placed along the path on which a wheel barrow containing sand is pushed at a construction site to prevent it from sticking as illustrated in the diagram given. The large area of the plank prevents the wheel barrow from getting stuck by

increasing the reaction on the ground
increasing the pressure on the ground
decreasing the pressure on the ground
decreasing the weight on the ground

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