The expression V = IR is called ______________
Fill in the blank(s) with correct word
Ohm's law
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cable and frictionless pulley system at D is used to bring a 230-kg pole (ACB) to a vertical position as shown in the figure. The cable has tensile force T and is attached at C. The reaction force components, Ax and Ay, at A (in newtons) are:
(A) 3102, 21270
(B) 21270, 3102
(C) 21342, 4214
(D) 23102, 4204
Amy, Brad, and Cate are walking (or running) along a straight line as shown below
What is the rms voltage of the “square-wave” potential shown in Figure OQ33.4?
1.?2·?Vmax
2.?Vmax
3.?Vmax/?2
4.?Vmax/2
5.?Vmax/4
A bar of diameter d 5 18 mm and length L 5 0.75 m is loaded in tension by forces P. The bar has modulus E 5 45 GPa and allowable normal stress of 180 MPa. The elongation of the bar must not exceed 2.7 mm. The allowable value of forces P is approximately:
(A) 41 kN
(B) 46 kN
(C) 56 kN
(D) 63 kN
