Objects a and B,of Mass M and 2M Respectively,are Each $\mu$

question 30

Multiple Choice

Objects A and B,of mass M and 2M respectively,are each pushed a distance d straight up an inclined plane by a force F parallel to the plane.The coefficient of kinetic friction between each mass and the plane has the same value $\mu$ _k.At the highest point,

• A)K_A = Fd = K_B.
• B)K_A = (F -\(\mu\)_kMg cos\(\theta\) )d;K_B = (F -2\(\mu\)_kMg cos\(\theta\) )d.
• C)K_A = (F - Mg sin\(\theta\) )d;K_B = (F- 2Mg sin\(\theta\) )d.
• D)K_A = (F - Mg sin\(\theta\) - \(\mu\)_kMg cos\(\theta\) )d;K_B = (F - Mg sin\(\theta\) - \(\mu\)_kMg cos\(\theta\) )d.
• E)K_A = (F - Mg sin\(\theta\) -\(\mu\)_kMg cos\(\theta\) )d;K_B = (F - 2Mg sin\(\theta\) - 2\(\mu\)_kMg cos\(\theta\) )d.

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