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