Neco 2023 Physics Question 8

Practice objective / multiple choice question 8 from the 2023 Neco Physics examination.

Neco 2023 Physics Objective / Multiple Choice Medium Difficulty
Question 8 NECO • 2023 • PHYSICS • objective

A simple pulley system is used to lift a load of 500 N. The rope is pulled through a distance of 2.00 m while the load rises only 0.50 m. The system is known to operate with an efficiency of 80\%. (a) Calculate the ideal input force required to lift the load. (b) Determine the actual input force taking the efficiency into account. (c) If the load is lifted in 4.0 s, find the input power delivered by the operator.

Answer Options

A. a) 150 N, b) 187.5 N, c) 93.8 W
B. a) 100 N, b) 125 N, c) 62.5 W
C. a) 250 N, b) 312.5 N, c) 156.3 W
Correct Answer D. a) 125 N, b) 156.3 N, c) 78.1 W
Correct Answer
D
Correct Option:
a) 125 N, b) 156.3 N, c) 78.1 W

About This Question

This is Neco 2023 Physics Question 8. It is one of the objective questions from the 2023 Neco Physics examination.

Difficulty level: Medium .

View More Neco 2023 Physics Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support