A 40-Kg Block Is Lowered Down a 37 $\degree$ Incline a Distance of 5

question 26

Multiple Choice

A 4.0-kg block is lowered down a 37 $\degree$ incline a distance of 5.0 m from point A to point B.A horizontal force (F = 10 N) is applied to the block between A and B as shown in the figure.The kinetic energy of the block at A is 10 J and at B it is 20 J.How much work is done on the block by the force of friction between A and B?

• A)-58 J
• B)-53 J
• C)-68 J
• D)-63 J
• E)-47 J

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Definitions:

Multicellular

Organisms composed of multiple cells that work together, often specializing in different tasks, to function as a single organism.

Filamentous

Describes a thread-like shape, often referring to the structure of certain bacteria, fungi, or algae.

Absorbs Food

The process by which nutrients from ingested food are taken up by the body, typically occurring in the intestines.

Nuclei

The plural of nucleus, referring to the membrane-bound organelle that contains a cell's DNA and controls its growth and reproduction.