a bicycle pump uses pascals law to operate. the air in the hose acts as the a fluid and transfers force and pressure from the piston to the tire. if a pump has a piston with an area of 7.1 cm^2 how much force must be exerted on it to create a pressure of 8.2 X 10^5 Pa

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet

The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.

Why does lightning travel from clouds to the ground?