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A 30 kg block is put on a ramp of angle θ = 30o with coefficients...

A 30 kg block is put on a ramp of angle θ = 30o with coefficients of static friction 0.3 and kinetic friction 0.2; a force F1 = 150N is applied to the block to try to stop it from sliding down, but the force is applied directed at an angle of θ1 = 60o counterclockwise from the ramp upward incline

a) On the drawing draw the forces and their components

b) Derive the formula for the Normal force and calculate the normal force value:

c) Starting from Newton’s 2nd law derive the acceleration function in terms of angles, mass, & g:

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