A girl exerts a 140 N of force in pulling a 30 kg box upward on an inclined plane. If the box accelerates at a rate of 0.297 m/s2 and the coefficient of kinetic friction is 0.11, (a) What is the angle of the inclination of the plane? b. If a boy helps the girl in moving the box and he exerts a 150 N of pushing force, determine the new acceleration of the box. c. What is the change in acceleration of the box?

A girl exerts a 140 N of force in pulling a 30 kg box upward on an inclined plane. If the box accelerates at a rate of 0.297 m/s2 and the coefficient of kinetic friction is 0.11, (a) What is the angle of the inclination of the plane? b. If a boy helps the girl in moving the box and he exerts a 150 N of pushing force, determine the new acceleration of the box. c. What is the change in acceleration of the box?

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Question

A girl exerts a 140 N of force in pulling a 30 kg box upward on an inclined plane. If the box accelerates at a rate of 0.297 m/s2 and the coefficient of kinetic friction is 0.11,

(a) What is the angle of the inclination of the plane?

b. If a boy helps the girl in moving the box and he exerts a 150 N of pushing force, determine the new acceleration of the box.

c. What is the change in acceleration of the box?

SOLVE COMPLETELY AND SHOW A FIGURE AND FREE BODY DIAGRAM THANK YOU

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