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