Waec Model Questions Vol1 2022 Physics Question 4

Practice practical question 4 from the 2022 Waec Model Questions Vol1 Physics examination. This question covers Forces .

Waec Model Questions Vol1 2022 Physics Practical

Topic: Forces

Question 4 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • PHYSICS • practical

A wooden block of mass 0.80 kg rests on a smooth wooden inclined plane. The plane makes an angle of 20° with the horizontal. The block is attached to a light string that passes over a frictionless pulley at the top of the plane and is connected to a hanging mass of 0.50 kg. A spring‑balance is used to measure the tension in the string. When the block is about to move up the plane, the spring‑balance reads 3.20 N. Using this information:

Question Parts

( a )

Calculate the coefficient of static friction (μₛ) between the block and the plane.

( b )

Determine the minimum angle of inclination (θₘᵢₙ) at which the block would start to slide down the plane without any external pull (i.e., when the component of its own weight down the plane just exceeds the maximum static friction). Express θₘᵢₙ in degrees to the nearest tenth.

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About This Question

This is Waec Model Questions Vol1 2022 Physics Question 4. It is a practical question from the 2022 Waec Model Questions Vol1 Physics examination.

The question covers Forces .

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