Determine the force required to hold the 250 kg mass in equilibrium
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Determine the force required to hold the 250 kg mass in equilibrium

Question 7

a) Determine the force required to hold the 250 kg mass in equilibrium.


b) The principles of a differential chain block are indicated schematically in the figure. Determine the magnitude of force P needed to support the 5000 N force. Also, find the distance x where the cable must be attached to bar AB so the bar remains horizontal. All pulleys have a radius of 60 mm.


Question 8

The Figure below shows a bent beam supporting a staircase with pin support at A and roller support at D. Determine the support reactions, axial force, shear force and bending moments.


Hint
EngineeringA bending moment is the reaction encouraged in a structural portion when an external force or instant is applied to the element thus causing the element to bend. The most common simplest structural element exposed while a maximum bending moment occurs when the shear force at that section is zero....
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