Torque: Five forces act on a rod that is free to pivot at point P, as shown in the figure. Which of these forces is producing a counter-clockwise torque about point P? (There could be more than one correct choice.)
A. force A
B. force B
C. force C
D. force D
E. force E
Answer: C
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Built in 1963, the _______________ telescope in Puerto Rico is the largest single radio dish in the world
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General Questions: You push on box G that is next to box H, causing both boxes to slide along the floor, as shown in the figure. The reaction force to your push is
A. the push of box G on box H. B. the push of box H on box G. C. the push of box G against you. D. the upward force of the floor n box G. E. the acceleration of box G.
The surface tension of water is 0.073 N/m. How high will water rise in a capillary tube of diameter 1.2 mm?
A) 1.2 cm B) 1.5 cm C) 2.2 cm D) 2.5 cm E) 2.8 cm
The sequence of interrelated events by which rocks are formed, altered, destroyed, and re-formed is known as the ______________
Fill in the blank(s) with correct word