Derive the following formulas relating the load W and the force P exerted on the handle of the jack discussed in Section 8 6 (a) P (Wr a) tan ( s), to raise the load (b) P (Wr a) tan (s ), to lower the load if the screw is self locking (c) P (Wr a) tan ( s), to hold the load if the screw is not sel...

FBD jack handle See Section 86 FBD block on incline a Raising l ...

Derive the following formulas relating the load W and the force P exerted on the handle of

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Derive the following formulas relating the load W and the force P exerted on the handle of the jack discussed in Section 8.6.

(a) P = (Wr/a) tan (θ + φ s), to raise the load;

(b) P = (Wr/a) tan (φs − θ), to lower the load if the screw is self-locking;

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Vector Mechanics For Engineers Statics

ISBN: 9780072931105

7th Edition

Authors: R.C.Hibbeler

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Question Posted: Oct 09, 2010 01:57 AM

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Derive the following formulas relating the load W and the force P exerted on the handle of

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Vector Mechanics For Engineers Statics

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