Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

A person lifts a load of 400 N with the help of a lever by applying an effort of 100N.The load is kept at a distance of 40 cm and the effort is applied at a distance of 2m from the fulcrum. Find the value of MA, VR and efficiency?​