If \(\theta\) is equal to \(\alpha\) at the time the box is just about to...

WAEC 1998

If \(\theta\) is equal to \(\alpha\) at the time the box is just about to slide down the plank, the coefficient of static friction between the plank and box is

A. sin\(\alpha\)
B. cos\(\alpha\)
C. tan\(\alpha\)
D. sec\(\alpha\)
E. cot\(\alpha\)

JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!

JAMB CBT Mobile App 2025 - Free Download

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076

Correct Answer: Option C

Explanation

\(\mu = \frac{F}{R} = \frac{W sin \theta}{W cos q}\)

= tan\(\theta\)

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

The thrust due to hydrostatic pressure alone at the bottom of a fish tank which is 60cm×40cm when the depth... Answer this

3 Answers · 2 years ago
likely questions on commerce for waec? Answer this

1 Answers · Commerce · 5 days ago
why is my past question stopping at 2014? Answer this

0 Answers · English Language · 1 hour ago

If \(\theta\) is equal to \(\alpha\) at the time the box is just about to...

Correct Answer: Option C

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In