Atmospheric pressure is about 1.00 × 105 Pa on average. What is the downward force of the air on a desktop with surface area 1.60 m2? N

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane