A Wooden Crate Is at Rest on a Wooden Ramp $\theta$

question 80

Multiple Choice

A wooden crate is at rest on a wooden ramp.(µ_s = 0.50;µ_k = 0.20;g = 9.8 m/s²) .Find the angle $\theta$ of the ramp for which the crate will start sliding down the ramp.

• A)26.6 \(\circ\)
• B)63.4 \(\circ\)
• C)32.6 \(\circ\)
• D)57.4 \(\circ\)
• E)45.0 \(\circ\)

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