Two identical rollers each of weight 500 N and radius r are kept on a right angle frame ABC having negligible weight.

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Two identical rollers each of weight 500 N and radius r are kept on a right angle frame ABC having negligible weight.

written 7.8 years ago by

teamques10 ★ 65k

• modified 4.0 years ago

Assuming smooth surfaces, find the reactions induced at all contact surfaces.

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engineering mechanics

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written 7.8 years ago by

teamques10 ★ 65k

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Since there are many unknowns, we can not solve the sum by using one F.B.D. Since the system is in equilibrium, we can break it as shown below:-

enter image description here

Applying static conditions of equilibrium,

$∴ ΣM_C \cong 0 ( +ve) \\ ∴ R_3 × r+500 \cos30 ×r+500 \sin30 ×r+ R_5×r=0 \\ …

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