4. A truck with a mass of 6,500 Kg can exert a force of 29,250 N when stopping. What is the deceleration rate of the truck?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.