Homework Help: Physics

Posted by Thien on Saturday, October 6, 2012 at 11:07pm.

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 20.0 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 83.9 m), the block swings toward the outside of the curve. Then the string makes an angle θ with the vertical. Find θ.

Physics - Thien, Saturday, October 6, 2012 at 11:15pm
Nevermind Got it

Block has two forces acting on it

Horizontal force is the centripetal force acting towards center of circle

Vertical force is M x G

To get angle, its inverse Tan (MV^2/RMG)

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