What do keplers laws describe?
a. the forces between any two objects
b. the effect of mass on gravity
c. the shape of an orbit
d. the effects of gravity

Which term best describes the phrase “something that happens”?

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.