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