A) magnetism B) force C) work D) friction E) gravitation
A) work B) friction C) magnetism D) gravitation E) force
A) gravitation B) friction C) magnetism D) work E) force
A) balanced forces B) work C) unbalanced forces D) force E) magnetism
A) net force B) gravitation C) power D) force E) work
A) work B) power C) force D) net force E) friction
A) friction B) unbalanced forces C) power D) balanced forces E) work
A) friction B) magnetism C) gravity D) newton
A) it continues in a straight line B) it is placed on a flat surface C) a nearby star acts on it D) an outside force acts on it
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 position changes C) its momentum changes D) its mass and velocity changes
A) the relationship between the four basic elements B) Why all moving objects eventually stop moving C) The movement of objects on Earth and in space D) how frame of reference influences movement
A) friction can be overcome for all objects B) People in a car move forward in their seats when the car stops quickly C) the ground pushes against your feet when you run D) gravitational forces are stronger on Earth than on the moon or other satellites
A) inertia B) reaction force C) law of universal gravitation D) orbit
A) action force B) inertia C) Law of Gravitation D) orbit E) reaction force
A) Reaction force B) inertia C) action force D) orbit
A) position B) momentum C) acceleration D) velocity E) speed
A) position of that object B) velocity of that object C) acceleration of that object D) the speed of that object E) momentum of that object
A) position B) acceleration C) momentum D) speed E) velocity
A) speed B) velocity C) acceleration D) position 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 spacecraft can travel in space for thousands of years 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) speed B) a machine C) a magnet D) friction
A) a force B) a power C) a current D) a machine
A) magnetism B) work C) power D) friction E) force |