Objects a and B, of Mass M and 2M Respectively

question 1

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 μ_k. At the highest point,

• A) K_A > K_B.
• B) K_A = K_B.
• C) K_A < K_B.
• D) The work done by F on A is greater than the work done by F on B.
• E) The work done by F on A is less than the work done by F on B.

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Definitions:

Fish

Aquatic vertebrate animals that live in water, breathe using gills, and typically have fins and scales.

Pigs

Domesticated animals of the species Sus scrofa, widely kept for their meat (pork).

Sheep

Domesticated ruminant mammals, typically bred for their wool, meat, and milk.

RNAi

A biological process in which RNA molecules inhibit gene expression or translation by neutralizing targeted mRNA molecules.