It takes 25 J of work to pull a 5.0 N object 4.0 m along the floor at constant speed. How much work is done to overcome friction? a. 25 J b. 20 J c. 5.0 J d. 1.3 J

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth's center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation