Elementary Mechanics

BPHE-101: Elementary Mechanics – All Assignment Answers (2025-26)

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BPHE-101: Elementary Mechanics – Assignment Answers (2025-26) Below is the complete list of answers for the IGNOU BPHE-101/PHE-01 Elementary Mechanics assignment for the 2025-26 session. Click on each question to read the detailed solution. A crate of mass 30.0 kg is pulled by a force of 300 N up an inclined plane… A ball having […]

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A crate of mass 30.0 kg is pulled by a force of 300 N up an inclined plane which makes an angle of 30º with the horizon. The coefficient of kinetic friction between the plane and the crate is μk = 0.225. If the crate starts from rest, calculate its speed after it has been pulled 15.0 m. Draw the free body diagram.

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Introduction In this problem, we are asked to calculate the final speed of a crate being pulled up an inclined plane with friction. To solve this, we apply Newton’s laws of motion and the work-energy theorem. We’ll also include a descriptive explanation of the free body diagram (FBD). Given Data Mass of crate, m =

A crate of mass 30.0 kg is pulled by a force of 300 N up an inclined plane which makes an angle of 30º with the horizon. The coefficient of kinetic friction between the plane and the crate is μk = 0.225. If the crate starts from rest, calculate its speed after it has been pulled 15.0 m. Draw the free body diagram. Read More »

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