Q2/4 m9.5mG,a) The tower crane is used to hoist a 2Mg load upwardG E 7.5 m-12.5 m-at constant velocity. The 1.5-Mg jib BD and 0.5Mg jibBC have centers of mass at G1 and G2, respectively.Determine the required mass of the counterweight Cso that the resultant moment produced by the load and23 mthe weight of the tower crane jibs about point A iszero. The center of mass for the counterweight islocated at G3?300 N250 Nb) Replace the loading on the frame by a single1 m2 m--3 mBresultant force. Specify where its line of actionintersects member AB, measured from A?2 m400 N-m60°3 m500 N

Given: Load is 2 Mg. Weights of the jibs BD and BC are 1.5 Mg and 0.5 Mg. The center of gravities of…

a) The tower crane is used to hoist a 2Mg load upward at constant velocity. The 1.5-Mg jib BD and 0.5Mg jib GF 75 m BC have centers of mass at G1 and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and -12.5 m- 23 m the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at G3? 300 N 250 N b) Replace the loading on the frame by a single resultant force. Specify where its line of action m2 m- -3 m- B intersects member AB, measured from A? 2 m A00 N.m

a) The tower crane is used to hoist a 2Mg load upward at constant velocity. The 1.5-Mg jib BD and 0.5Mg jib GF 75 m BC have centers of mass at G1 and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and -12.5 m- 23 m the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at G3? 300 N 250 N b) Replace the loading on the frame by a single resultant force. Specify where its line of action m2 m- -3 m- B intersects member AB, measured from A? 2 m A00 N.m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q2/
4 m
9.5m
G,
a) The tower crane is used to hoist a 2Mg load upward
G E 7.5 m
-12.5 m-
at constant velocity. The 1.5-Mg jib BD and 0.5Mg jib
BC have centers of mass at G1 and G2, respectively.
Determine the required mass of the counterweight C
so that the resultant moment produced by the load and
23 m
the weight of the tower crane jibs about point A is
zero. The center of mass for the counterweight is
located at G3?
300 N
250 N
b) Replace the loading on the frame by a single
1 m2 m-
-3 m
B
resultant force. Specify where its line of action
intersects member AB, measured from A?
2 m
400 N-m
60°
3 m
500 N

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