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