3-74 A 6-m-high, 5-m-wide rectangular plate blocks the end of a 5-m-deep freshwater channel, as shown in Fig. P3-74. The plate is hinged about a horizontal axis along its od ser edge through a point A and is restrained from open- ing by a fixed ridge at point B. Determine the force exerted on the plate by the ridge. A T 1 m 5 m B cisD FIGURE P3-74 Reconsider Prob. 3-74. Using appropriate soft- ware, investigate the effect of water depth on the force exerted on the plate by the ridge. Let the water depth vary from 0 to 5 m in increments of 0.5 m. Tabulate and plot 3-75 your results.

Question
3-74 A 6-m-high, 5-m-wide rectangular plate blocks
the end of a 5-m-deep freshwater channel, as shown in
Fig. P3-74. The plate is hinged about a horizontal axis along
its od ser edge through a point A and is restrained from open-
ing by a fixed ridge at point B. Determine the force exerted
on the plate by the ridge.
A
T
1 m
5 m
B
cisD
FIGURE P3-74
Reconsider Prob. 3-74. Using appropriate soft-
ware, investigate the effect of water depth on the
force exerted on the plate by the ridge. Let the water depth
vary from 0 to 5 m in increments of 0.5 m. Tabulate and plot
3-75
your results.

Image Transcription

3-74 A 6-m-high, 5-m-wide rectangular plate blocks the end of a 5-m-deep freshwater channel, as shown in Fig. P3-74. The plate is hinged about a horizontal axis along its od ser edge through a point A and is restrained from open- ing by a fixed ridge at point B. Determine the force exerted on the plate by the ridge. A T 1 m 5 m B cisD FIGURE P3-74 Reconsider Prob. 3-74. Using appropriate soft- ware, investigate the effect of water depth on the force exerted on the plate by the ridge. Let the water depth vary from 0 to 5 m in increments of 0.5 m. Tabulate and plot 3-75 your results.

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