A steel plate weighing 27 kN is hoisted by a cable sling that has a clevis at each end. The pins through the clevises are 22 mm in diameter. Each half of the cable is at an angle of 358 to the vertical. The average shear stress in each pin is approximately:
(A) 22 MPa
(B) 28 MPa
(C) 40 MPa
(D) 48 MPa
(A) 22 MPa
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If Earth had a pair of identical moons on opposite sides of the same circular orbit, the center of gravity of the double-moon-Earth system would be
A) inside the Earth, but off center. B) at the center of the Earth. C) outside the Earth, but within the orbital path of the moons. D) outside the Earth, but beyond the orbital path of the moons.
What is interesting about Jupiter's rotation period?
A) It is the same as Earth's. B) It is the same as its orbital period. C) It is the same as the Sun's. D) It is the slowest in the solar system. E) It is the fastest in the solar system.
If the voltage across the ends of a wire increases, the current in the wire __________
Fill in the blank(s) with correct word
Whenever the net force on an object is zero (¤F = 0), the object is said to be in mechanical equilibrium—this is known as the _______________________
Fill in the blank(s) with the appropriate word(s)