Neco Model Questions Vol1 2018 Physics Question 20

Practice objective / multiple choice question 20 from the 2018 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2018 Physics Objective / Multiple Choice Medium Difficulty
Question 20 NECO_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • objective

A pulley system is used to lift a load of 200 N. The effort applied vertically downward is 80 N and the system operates with an efficiency of 85 %. Determine (a) the ideal mechanical advantage (IMA), (b) the actual mechanical advantage (AMA), and (c) the speed ratio (SR) of the system.

Answer Options

Correct Answer A. IMA = 2.5, AMA = 2.125, SR ≈ 1.18
B. IMA = 3.0, AMA = 2.55, SR ≈ 1.18
C. IMA = 2.5, AMA = 2.0, SR ≈ 1.25
D. IMA = 2.0, AMA = 1.7, SR ≈ 1.18
Correct Answer
A
Correct Option:
IMA = 2.5, AMA = 2.125, SR ≈ 1.18

About This Question

This is Neco Model Questions Vol1 2018 Physics Question 20. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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