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