A hydraulic lift used at an automotive repair shop raises a 1250 kilogram car 1.8 meters off the ground. What is the potential energy given to the car? a. 2,400 J
b. 19,600 J
c. 9,800 J
d. 22,000 J

Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.