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