5) A box is moving down a 25 degrees slope as shown. Assuming the coefficient of friction for box on the surface is 0.1 a) Draw the free body diagram of the block b) Find the acceleration of the block 25
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The forces acting on the box are: \begin{itemize} \item Gravity ($mg$): acting vertically downwards. \item Normal force ($N$): acting perpendicular to the slope. \item Friction force ($f$): acting parallel to the slope, opposing the Show more…
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Joy C.
A box with mass 5.0 kg slides on a frictionless inclined plane. The plane is inclined at an angle of 45 degrees from the horizontal. (a) Draw a free-body diagram of the box, showing the normal force and the gravitational force as vectors. (b) Choose your axes so that the x direction is along the incline pointing downhill, and the y direction is perpendicular to the incline. (The normal force will then be in the positive y direction.) Resolve the gravitational force vector into components parallel and perpendicular to the incline. (c) How large is the normal force (in Newtons)? (d) What is the magnitude of the force along the plane? (e) What is the acceleration of the box along the plane? (f) If the box starts at the bottom and is released with an initial speed of 5 m/s, how far will it go up the incline before it turns around?
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