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