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