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Question:

Can you help me with these physics problems? (Force)?

Can you help me with these physics problems? (Force)?

Answer:

1) Free body diagram is a diagram showing the three forces at corner A, without showing anything elseDraw a diagram as follows: A line in direction of AC with an arrow on it direction A to C A second line in direction AB with an arrow on it in direction BA A third line pointing downwards from corner A2) Vertical component of force along A 12000 NForce in member AC 12000 / Sin 60 13856 N (AC is called a TIE) 3)Force in member AB 12000 / Tan 60 6928 N (AB is called a STRUT) 4) Forces down Forces upSo ground force 12000 N (since crane is considered to be weightless)

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