A 2.0-m-high box with a 1.0-m-square base is moved across a rough floor as in Fig. 9–89. The uniform box weighs 250N and has a coefficient of static friction with the floor of 0.60. What minimum force must be 1.0 m exerted on the box to make it slide? What is the maximum height h above the floor that this force can be applied without tip- ping the box over? Note that as the box tips, the normal force CG 2.0 m FN and the friction force will act at the lowest corner. Fir FIGURE 9-89 Problem 74.

University Physics Volume 1
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Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 12.8CYU: Check Your Understanding A 400.0-N sign hangs from the end of a uniform strut. The strut is 4.0 m...
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A 2.0-m-high box with a 1.0-m-square base is moved across
a rough floor as in Fig. 9–89. The uniform box weighs 250N
and has a coefficient of static friction with the floor of 0.60.
What minimum force must be
1.0 m
exerted on the box to make it
slide? What is the maximum
height h above the floor that this
force can be applied without tip-
ping the box over? Note that as
the box tips, the normal force
CG
2.0 m
FN
and the friction force will act at
the lowest corner.
Fir
FIGURE 9-89
Problem 74.
Transcribed Image Text:A 2.0-m-high box with a 1.0-m-square base is moved across a rough floor as in Fig. 9–89. The uniform box weighs 250N and has a coefficient of static friction with the floor of 0.60. What minimum force must be 1.0 m exerted on the box to make it slide? What is the maximum height h above the floor that this force can be applied without tip- ping the box over? Note that as the box tips, the normal force CG 2.0 m FN and the friction force will act at the lowest corner. Fir FIGURE 9-89 Problem 74.
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