Consider a vehicle trying to pull another vehicle with a rope (PI: Vehicle in Tow). One of the vehicles is stuck in mud. What are the components (parts) of the system that influence its motion?
(two vehicles, the rope connecting them, the ground/mud, and the planet Earth [the source of gravity])

Why do metals "give up" their valence electrons?

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?

Acar traveling at a constant speed of 22.0 m/s passes a trooper hidden behind a billboard. one second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3.50 m/s2. how long does it take the trooper to overtake the speeding car? solve this problem by a graphical method. on the same graph, plot position versus time for the car and the trooper.