A 20-Kg Block Slides Down a Frictionless Incline from Point a a to Point

question 20

Multiple Choice

A 2.0-kg block slides down a frictionless incline from point A to point B. A force (magnitude P = 3.0 N) acts on the block between A and B, as shown. Points A and B are 2.0 m apart. If the kinetic energy of the block at A is 10 J, what is the kinetic energy of the block at B?

• A)27 J
• B)20 J
• C)24 J
• D)17 J
• E)37 J

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