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pebbles
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Homework Statement
angles of 30, 45, 60. calculate weight of block, the normal force, and net force for each angle separately.
Homework Equations
normal force m*g*sin theta
net force m*g*cos theta
The Attempt at a Solution
weight of block is just 20 kg, right?
and so for 30 degrees: normal force= 20 kg* 9.81 m/s/s * sin 30, right? and net force=20 kg * 9.81 m/s/s * cos 30...