A horizontal force of 25N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.4. The weight of the block is: A horizontal force of 25N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.4. The weight of the block is: October 20, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 6 - Newton's Laws of Motion (With Friction) and Dynamics of Circular Motion , Facebook Messenger WhatsApp Share this:TwitterFacebook Related