Physics > 2016 > 11
WASSCE
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 above. The large area of the plank prevents the wheel barrow from getting stuck by
A.
increasing the reaction on the ground
B.
increasing the pressure on the ground
C.
decreasing the pressure on the ground
D.
decreasing the weight on the ground
Answer: B
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