A horizontal force F is exerted on a 20-kg box to slide it up a 30 incline.

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A horizontal force F is exerted on a 20-kg box to slide it up a 30° incline. The friction force retarding the motion is 80 N. How large must F be if the acceleration of the moving box is to be

(a) Zero and

(b) 0.75 m/s²?

The situation resembles that of Fig. 3-18. 500 N 321 N 40 383 N 0.643 mg 40 F 25 kg 0.766mg 40 Fig. 3-18 15

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Schaums Outline Of College Physics

ISBN: 9781259587399

12th Edition

Authors: Eugene Hecht

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Question Posted: Nov 01, 2023 07:52 AM

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A horizontal force F is exerted on a 20-kg box to slide it up a 30 incline.

Question:

500 N 321 N 40° 383 N 0.643 mg 40° ↑F 25 kg 0.766mg 40° Fig. 3-18 15

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Schaums Outline Of College Physics

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