• Callisto
Can anyway help check my explanation to the question? for (a) , |R3| = |R2| R2 sinθ = 30 => R2 > 30 So (a) is correct For (b) R5 = 120 + R3cosθ = 120 + 30cosθ > 150 So (b) is incorrect For (c) since R2 and R3 are action and reaction pair, R2sinθ = R3 sinθ Consider the whole system, R1 + R3 = R2+R4 So R1 = R4 for (d), Hmm.. don't know how to explain... But i know they form an action and reaction pair...
Physics
• Stacey Warren - Expert brainly.com
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SOLVED
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