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