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