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