3. The propeller of a fishing boat is rigidly connected to a 3.8-cm. driveshaft through a 0.95- cm diameter steel bolt. The bolt was designed to shear/break when the shear stress caused by hitting an underwater debris or obstruction reaches 180 MPa. Determine the contact force on the propeller blade (upon hitting a debris or obstruction) that will cause the bolt to shear/break. Assume the contact point of the debris or obstruction on the blade is 10- cm from the center of the propeller. Contact point of debris or obstruction Fc Fs- shearing force Fc- contact force T- torque Bolt 10 cm Driveshaft -Fs Fs

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3. The propeller of a fishing boat is rigidly connected to a 3.8-cm. driveshaft through a O.95-
cm diameter steel bolt. The bolt was designed to shear/break when the shear stress caused
by hitting an underwater debris or obstruction reaches 180 MPa. Determine the contact
force on the propeller blade (upon hitting a debris or obstruction) that will cause the bolt
to shear/break. Assume the contact point of the debris or obstruction on the blade is 10-
cm from the center of the propeller.
Contact point of debris
or obstruction
Fc
Fs- shearing force
Fc- contact force
T- torque
Bolt
10 cm
Driveshaft
Fs
Fs-
Transcribed Image Text:3. The propeller of a fishing boat is rigidly connected to a 3.8-cm. driveshaft through a O.95- cm diameter steel bolt. The bolt was designed to shear/break when the shear stress caused by hitting an underwater debris or obstruction reaches 180 MPa. Determine the contact force on the propeller blade (upon hitting a debris or obstruction) that will cause the bolt to shear/break. Assume the contact point of the debris or obstruction on the blade is 10- cm from the center of the propeller. Contact point of debris or obstruction Fc Fs- shearing force Fc- contact force T- torque Bolt 10 cm Driveshaft Fs Fs-
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