The longer the handle the the mechanical;advantage& ;and the greater the increase in force that is applied to the bolt. Less

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

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 %.