A 128 N carton is pulled up a frictionless baggage ramp inclined at 30° above the horizontal by a rope exerting a 72 N pull parallel to the ramp’s surface. If the carton travels 5.2 m along the surface of the ramp, what is the net work done on the carton?

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

a. always outside of government control.

i would say it is a and b.

hope this