A) work B) magnetism C) friction D) force E) gravitation
A) gravitation B) friction C) work D) force E) magnetism
A) force B) work C) friction D) gravitation E) magnetism
A) unbalanced forces B) force C) magnetism D) work E) balanced forces
A) work B) gravitation C) net force D) power E) force
A) force B) work C) power D) net force E) friction
A) work B) power C) unbalanced forces D) balanced forces E) friction
A) magnetism B) newton C) friction D) gravity
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) an equal and opposite reaction B) a force sending it backward C) a movement in all directions D) a greater force pushing on it
A) Its position changes B) its frame of reference changes C) its momentum changes D) its mass and velocity changes
A) Why all moving objects eventually stop moving B) The movement of objects on Earth and in space C) the relationship between the four basic elements D) how frame of reference influences movement
A) the ground pushes against your feet when you run 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) friction can be overcome for all objects
A) inertia B) reaction force C) orbit D) law of universal gravitation
A) orbit B) inertia C) reaction force D) action force E) Law of Gravitation
A) action force B) Reaction force C) orbit D) inertia
A) velocity B) position C) momentum D) speed E) acceleration
A) momentum of that object B) acceleration of that object C) the speed of that object D) velocity of that object E) position of that object
A) speed B) position C) velocity D) acceleration E) momentum
A) velocity B) speed C) acceleration D) momentum E) position
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 screw and a wedge B) a lever and a wedge C) a pulley and a screw D) a wedge and a pulley
A) speed B) a magnet C) a machine D) friction
A) a current B) a machine C) a force D) a power
A) work B) force C) friction D) magnetism E) power |