Neco Model Questions Vol1 2018 Physics Question 5

Practice objective / multiple choice question 5 from the 2018 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2018 Physics Objective / Multiple Choice Medium Difficulty
Question 5 NECO_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • objective

A 5 kg block rests on a smooth inclined plane that makes an angle of \(30^{\circ}\) with the horizontal. A horizontal force of 40 N pulls the block up the slope. The coefficient of kinetic friction between the block and the plane is \(\mu_k = 0.20\). The block moves 4.0 m up the incline. Calculate the net work done on the block during this displacement.

Answer Options

A. -14.1 J
B. -4.2 J
Correct Answer C. -9.4 J
D. 9.4 J
Correct Answer
C
Correct Option:
-9.4 J

About This Question

This is Neco Model Questions Vol1 2018 Physics Question 5. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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