A Uniform,horizontal Beam of Length 6

question 52

Multiple Choice

A uniform,horizontal beam of length 6.0 m and weight 140 N is attached at one end to a wall by a pin connection (so that it may rotate) .A cable attached to the wall above the pin supports the opposite end.The cable makes an angle of 60° with the horizontal.What is the tension in the cable needed to maintain the beam in equilibrium?

• A) 81 N
• B) 69 N
• C) 70 N
• D) 140 N

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Definitions:

Ribosomes

Organelles within cells that function as the sites of protein synthesis, translating messenger RNA into protein.

Protein Synthesis

The process by which cells produce proteins through the decoding of DNA and RNA sequences, crucial for cellular function and repair.

Cell Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the passage of substances in and out.

Cytoplasm

The jelly-like substance within a cell that contains organelles, providing a medium for cellular processes to occur.