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