The clockwise moment couple formed by the two 250 N forces is a) 250(cos40)(100m

Question

The clockwise moment couple formed by the two 250 N forces is
a) 250(cos40)(100mm)
b)250(cos60)(100mm)
c) 250(cos10)(100mm)
d) 250(cos20)(100mm)
MC #2 (5 points)
The reaction at pin A and peg B are equal and opposite
a) true b) false
MC #3 (5 points)
Which of the following is the angle the reaction at B makes from the horizontal?
a) 20

Chrome File Edit View History Bookmarks Window Help Limoodle2.lsu.edu/pluginfile.php/930066/mod resource/content/1/Exam%2096232%20Fall%202012.pdf Malible Choice Pmobanltiple choice problems. Refer to the following figure for all three multiple choice problems. Rod AC is supported by a pin connection at A and a peg at B and is acted upon by the couple shown. 250 N 60° 100 mm 250 N 300 mm 20° A200 mm The clockwise moment couple formed by the two 250 N forces is a) 250N(cos(40) 100mm) b) 250N(cos(60°)(100mm) o) 250N(cos(1o)00mm) d) 250N(cos(20°) 100mm)

Explanation / Answer

1.c

2.b

3.b

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