If a machine is lubricated with oil a. The mechanical advantage of the machine increases b. The mechanical efficiency of the machine increases If a machine is lubricated with oil a. The mechanical advantage of the machine increases b. The mechanical efficiency of the machine increases October 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related