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