How much net force is required to accelerate a 50.00kg mass at 4.00 m/s^2

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Excuse ! extra points plus ! super desperate ! the position of an object does not move relative to a reference point. relative to the reference point the object _. a.) is not moving. b.) is moving.

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10