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