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