Neco Model Questions Vol1 2021 Physics Question 29

Practice objective / multiple choice question 29 from the 2021 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2021 Physics Objective / Multiple Choice Medium Difficulty
Question 29 NECO_MODEL_QUESTIONS_VOL1 • 2021 • PHYSICS • objective

In the diagram, a 5 kg block rests on a rough inclined plane that makes an angle of \(30^{\circ}\) with the horizontal. The coefficient of static friction between the block and the plane is \(0.25\). A horizontal force of \(10\;\text{N}\) pushes the block to the right. The block is also attached to a rope that pulls it up the incline; the rope makes an angle of \(20^{\circ}\) above the plane and exerts a tension \(T\). Determine the minimum tension \(T\) (in newtons, to two significant figures) required to keep the block at rest.

Answer Options

A. 12 N
B. 22 N
Correct Answer C. 17 N
D. 25 N
Correct Answer
C
Correct Option:
17 N

About This Question

This is Neco Model Questions Vol1 2021 Physics Question 29. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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