Select all that apply.

Mechanics is the study of

Which of the following requires the expenditure of more work? (a) Lifting a 100 newton [N] weight a height of 3 meters [m]. (b) Exerting a force of 60 pounds-force [lb Subscript f ] on a sofa to slide it 30 feet [ft] across a room.

Which of the following are found in plant cells buh not animal cells?

What is the value of work done by an object when a 70-Newton force moves it 9.0 meters in the same direction as the force?

Which part of an Adam is actively exchanged or shared in a chemical bond?

What makes magnetic objects different from non - magnetic objects? A. Electrons spin in different, random directions. B. Electrons spin in the same direction. C. Magnetic field flows from the North to the sides. D.

How many earth years does it take mars to orbit the sun

Which represents a system that is almost completely closed?

If many household substances classify as acids or bases what is the ph scale

A protostar forms once the nebular cloud condenses and the core begins

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are