A meter stick is placed flat on a table, and one end of the meterstick is attach

Question

A meter stick is placed flat on a table, and one end of the meterstick is attached to the table. The other end of the meter stickcan thus rotate freely around this attached end (the axis) over thesurface of the table. Two forces, both parallel to the tabletop,are applied to the stick in such a way that the net torque is zero.One force has a magnitude of 4.00 N and is applied perpendicular tothe stick at the free end. The other force is applied on theopposite side of the above perpendicular force, but it has amagnitude of 6.00 N and acts at a 60.0 degree angle with respect tothe stick (see diagram). Where along the stick is the 6.00 N forceapplied? Express this distance with respect to the axis ofrotation.
a. 0.667 m
b. 0.770 m
c. 0.834 m
d. 0.725 m
e. 0.783 m

Explanation / Answer

net torque is zero. so 4*1=6*sin60*l so l=4/(6*sin60)=0,770m

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