Tension in String with Hanging Mass · PhysicsBowl 2016 #5

Physics · mechanics

Problem

In the figure shown, the mass

m = 6.0 kg

and the mass

M = 14.0 kg

are stationary. The mass

M

rests on the floor. Which one of the following choices represents the tension in the string connecting the masses? (Use

g = 10.0 \frac{m}{s^2}

) (A)

40 N

(B)

60 N

(C)

80 N

(D)

140 N

(E)

200 N

[Figure: Mass m hanging from string over pulley, connected to mass M on floor]