Exercises: 1. The box wrench in Fig. 99 is used to tighten the bolt at A. If the wrench does not turn when the load is applied to the handle, determine the torque or moment applied to the bolt and the force of the wrench on the bolt. 300 mm 400 mm- 12 60 52'N 30 N Fig. 99 Determine the horizontal and vertical

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Exercises:
1. The box wrench in Fig. 99 is used to
tighten the bolt at A. If the wrench does
not turn when the load is applied to the
handle, determine the torque or moment
applied to the bolt and the force of the
wrench on the bolt.
300 mm
400 mm
60°
12
52'N
30 N
Fig. 99
2. Determine the horizontal and vertical
750 lb
components of reaction on the member
at the pin A, and the normal reaction at
the roller B in Fig. 100.
3 ft
3 ft
2 ft
30
Fig. 100
3. The uniform smooth rod shown in Fig. 101 is
subjected to a force and couple moment. If
the rod is supported at A by a smooth wall and
at B and C either at the top or bottom by
rollers, determine the reactions at these
supports. Neglect the weight of the rod.
2 m
4 m
4000 N m
2m
B
300 N
2 m
30°
Fig. 101
4. Determine the support reactions on
the member in Fig. 102. The collar at
A is fixed to the member and can
slide vertically along the vertical
shaft.
900 N
1.5 m-
1.5 m
1 m
45°
500 N m
Transcribed Image Text:Exercises: 1. The box wrench in Fig. 99 is used to tighten the bolt at A. If the wrench does not turn when the load is applied to the handle, determine the torque or moment applied to the bolt and the force of the wrench on the bolt. 300 mm 400 mm 60° 12 52'N 30 N Fig. 99 2. Determine the horizontal and vertical 750 lb components of reaction on the member at the pin A, and the normal reaction at the roller B in Fig. 100. 3 ft 3 ft 2 ft 30 Fig. 100 3. The uniform smooth rod shown in Fig. 101 is subjected to a force and couple moment. If the rod is supported at A by a smooth wall and at B and C either at the top or bottom by rollers, determine the reactions at these supports. Neglect the weight of the rod. 2 m 4 m 4000 N m 2m B 300 N 2 m 30° Fig. 101 4. Determine the support reactions on the member in Fig. 102. The collar at A is fixed to the member and can slide vertically along the vertical shaft. 900 N 1.5 m- 1.5 m 1 m 45° 500 N m
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