1.

A towed wheel with rolling radius of 0.35 m and normal load of 500 N requires a horizontal force of 50 N to move it forward. The vertical soil reaction against the wheel can be considered to act ahead to vertical line passing through the wheel at a distance of ________

A. 3.18 * 10-1 m
B. 3.5 * 10-1 m
C. 3.18 * 10-2 m
D. 3.5 * 10-2 m
Answer» E.


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