Question

Find the friction force exerted by the ramp on box A, knowing that box A weighs 100 lb and box B is 30 lbs. Coefficient of static friction is equal to 0.3. Frictionless pulley 30° A B

          Find the friction force exerted by the ramp on box A, knowing that box A weighs 100 lb and box B is 30 lbs. Coefficient of static friction is equal to 0.3. Frictionless pulley
30°
A
B

Added by Clara M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

12/22/2021

Step 1

** The free body diagram for box A will include the following forces: * **Weight of box A:** $W_A = 100 \text{ lb}$ acting vertically downwards. * **Normal force:** $N$ acting perpendicular to the ramp. * **Tension in the rope:** $T$ acting parallel to the ramp Show more…

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