State the dimension of; (a) impulse; (ii) acceleration; (iii) work

Assessment: WAEC SSCE - Physics - 2016 (Essay) Subject: Physics

Question 1 Report

State the dimension of; (a) impulse; (ii) acceleration; (iii) work

 

Answer Details

(a) Impulse. Impulse \(=\) force \(\times\) time \(=\) change in momentum. Its dimension is that of momentum:

\[ [\text{impulse}] = MLT^{-1}. \]

(ii) Acceleration. Acceleration \(=\) velocity/time \(= \dfrac{LT^{-1}}{T}\):

\[ [\text{acceleration}] = LT^{-2}. \]

(iii) Work. Work \(=\) force \(\times\) distance \(= (MLT^{-2}) \times L\):

\[ [\text{work}] = ML^{2}T^{-2}. \]

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning