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Regents Physics
Worksheet 2.1.4 – Inclined Planes (20 points)
Show all work – multiple choice answers MUST be proven for full credit!
20
1. A 3.0 kilogram block is sliding down a 25° incline at a
constant speed.
a. Sketch the three primary vectors (weight, normal
force, and friction force) acting on the block.
2. A 50 newton block is placed on a frictionless 20° incline.
a. Determine the net force acting on the block.
[17.1N]
b. Calculate the block’s rate of acceleration down
the plane.
v = const.
