Asked by saima

a girl is using a rope to pull a box that weighs 300N across a level surface with constant velocity. the rope makes an angle of 30 degree above the horizontal and the tension in the rope is 100N. What is the normal force of the floor on the box?
Answered by Henry
M*g = 300 N
T = 100N[30o]

Fn = M*g - T*sin A = 300 - 100*sin30
Answered by Anonymous
317.10
Answered by 111
250N
Answered by Cece
Wrong
Answered by Danny
Fn=W-T,but the rope make an angle so Tsin30
Fn=W-Tsin30
Fn= 300-(100×0.5)
Fn=250N
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