Q1. A 80 kg person sits on a 4 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find the pressure in pascals exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.
Q2. A ten kg mass is pushed across the frictionless floor with a force of 86 newtons for 28 meters. What is the amount of work completed?