3. If the center of gravity of the stacked tables is at G, and the stack weighs 100 lb, determine the smallest force P the boy must push on the stack in order to cause movement. The coefficient of static friction at A and B is µs = 0.30. The tables are locked together. 30° 3.5 ft 3 ft i2 ft-

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3.
If the center of gravity of the stacked tables is at G, and the stack weighs 100 lb, determine the
smallest force P the boy must push on the stack in order to cause movement. The coefficient of static
friction at A and B is µs = 0.30. The tables are locked together.
30
3.5 ft
3 ft
B
-2 ft-2 ft-
Transcribed Image Text:3. If the center of gravity of the stacked tables is at G, and the stack weighs 100 lb, determine the smallest force P the boy must push on the stack in order to cause movement. The coefficient of static friction at A and B is µs = 0.30. The tables are locked together. 30 3.5 ft 3 ft B -2 ft-2 ft-
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