A) force B) magnetism C) friction D) work E) gravitation
A) friction B) magnetism C) work D) force E) gravitation
A) magnetism B) friction C) force D) work E) gravitation
A) work B) balanced forces C) force D) unbalanced forces E) magnetism
A) net force B) gravitation C) force D) power E) work
A) work B) friction C) force D) power E) net force
A) power B) balanced forces C) unbalanced forces D) work E) friction
A) newton B) gravity C) magnetism D) friction
A) an outside force acts on it B) a nearby star acts on it C) it is placed on a flat surface D) it continues in a straight line
A) a movement in all directions B) a greater force pushing on it C) a force sending it backward D) an equal and opposite reaction
A) its frame of reference changes B) Its position changes C) its mass and velocity changes D) its momentum changes
A) how frame of reference influences movement B) The movement of objects on Earth and in space C) the relationship between the four basic elements D) Why all moving objects eventually stop moving
A) the ground pushes against your feet when you run B) friction can be overcome for all objects C) People in a car move forward in their seats when the car stops quickly D) gravitational forces are stronger on Earth than on the moon or other satellites
A) law of universal gravitation B) reaction force C) orbit D) inertia
A) inertia B) action force C) reaction force D) Law of Gravitation E) orbit
A) orbit B) inertia C) action force D) Reaction force
A) momentum B) velocity C) position D) acceleration E) speed
A) acceleration of that object B) velocity of that object C) momentum of that object D) the speed of that object E) position of that object
A) speed B) acceleration C) momentum D) velocity E) position
A) speed B) position C) acceleration D) velocity E) momentum
A) a spacecraft can travel in space for thousands of years B) trucks slow down when they are travelling uphill C) a ball thrown into the air always falls back toward Earth D) a pole can be knocked down when a moving car hits it
A) a wedge and a pulley B) a lever and a wedge C) A screw and a wedge D) a pulley and a screw
A) a magnet B) a machine C) friction D) speed
A) a machine B) a current C) a force D) a power
A) work B) power C) friction D) force E) magnetism |