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