Showing posts from April 24, 2022

Timed Multiple Questions Test for A Level Physics - mechanics

Multiple Choice Questions - A Level Physics and Mechanics - Time: 40 minutes Created and Programmed by Vivax Solutions       Start the Quiz   Submit Quiz    

Challenging questions for in friction - for physics and mechanics: A Level and IB

  1) If the section of the rope that hangs down is about to move on the table, find and expression for x in terms of the coefficient of friction and the length of the rope. 2) The mass of a book is 2kg and is pressed against a wall by a horizontal force to stop it from sliding down. Find the minimum value of the force if the coefficient of the friction between the book and the wall is 1/3. 3)  A horizontal force is applied at a right angle to the top edge of a rectangular box with a length 60cm and a height 20cm to move it. What should the coefficient of friction between the box and the surface it is placed on so that the box moves without toppling.