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A 75-Kg Box with a Height of 90 Cm and a Width

Question 30

Multiple Choice

A 75-kg box with a height of 90 cm and a width of 30 cm is at rest on a flat board attached to the bed of a pickup truck.The coefficient of static friction between the box and the board is 0.47.What s the maximum acceleration that the pickup truck can have without the box tipping over?


A) 1.5 m/s2
B) 3.3 m/s2
C) 3.5 m/s2
D) 4.6 m/s2
E) 7.0 m/s2

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