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Midterm

# ENGG 1210 Study Guide - Midterm Guide: Fuselage, Unit Vector

Department
Engineering
Course Code
ENGG 1210
Professor
Victoria Taylor
Study Guide
Midterm

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Engineering Mechanics ENGG*1210, Winter 2013
Midterm Review
Assigned: Tuesday, February , 
-. e connected bar BC is used to increase the lever arm of the crescent wrench as shown.
If a clockwise moment of MA=  N ·m is needed to tighten the nut at Aand the extension
is d= mm, determine the required force Fin order to develop this moment.

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Midterm Review
-. e chain AB exerts a force of  lb on the door at B. Determine the magnitude of the
moment of this force along the hinged axis xof the door.

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Midterm Review
-. A boy stands out at the end of the diving board, which is supported by two springs Aand
B, each having a stiﬀness of k= kN/m. In the position shown, the board is horizontal.
If the boy has a mass of  kg, determine the angle of tilt which the board makes with the
horizontal aer he jumps oﬀ. Neglect the weight of the board and assume it is rigid.