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