You push a boulder 6 meters across the yard with a force of 500 N. How
much work have you done?

Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel