Waec 2022 Physics Question 8
Practice essay / theory question 8 from the 2022 Waec Physics examination. This question covers Statistics .
8a(i) State the law of inertia (ii) List the law stated in 8a(i) to explain how wearing a safety belt in a moving vehicle could reduce the possibilities of severe injuries when the vehicle is involved in a collision. b(i) Define the term moment of a force. (ii) A uniform plank measures \( 2 m \) long from its ends point A to point B, if the weight of the plank is 54 N and it rests on a knife edge \( 0.50 m \) from end \( B \) and point A is supported by a vertical string so that AB balances horizontally: I. Draw a force diagram for the arrangement; II. Determine the tension, T, in the string III. Determine the force, F , acting on the knife edge. (c) State three difference between solid friction and viscosity. (d) State one method of increasing the velocity ratio of a pulley system.
Question Parts
Detailed Solution & Marking Scheme
Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.
Reveal AnswerAbout This Question
This is Waec 2022 Physics Question 8. It is one of the essay questions from the 2022 Waec Physics examination.
The question covers Statistics .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.