A block of mass 4 kg is pressed against the wall by a force of 80 N as shown in Fig. 7.285. Determine the value of friction force and block’s acceleration . A block of mass 4 kg is pressed against the wall by a force of 80 N as shown in Fig. 7.285. Determine the value of friction force and block's acceleration . October 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related