A) force B) gravitation C) friction D) magnetism E) work
A) gravitation B) friction C) magnetism D) force E) work
A) force B) friction C) gravitation D) work E) magnetism
A) work B) unbalanced forces C) force D) balanced forces E) magnetism
A) net force B) work C) power D) gravitation E) force
A) force B) power C) friction D) net force E) work
A) balanced forces B) unbalanced forces C) power D) friction E) work
A) friction B) newton C) magnetism D) gravity
A) it continues in a straight line B) a nearby star acts on it C) an outside force acts on it D) it is placed on a flat surface
A) a movement in all directions B) an equal and opposite reaction C) a force sending it backward D) a greater force pushing on it
A) Its position changes B) its mass and velocity changes C) its frame of reference changes D) its momentum changes
A) The movement of objects on Earth and in space B) how frame of reference influences movement C) Why all moving objects eventually stop moving 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) orbit B) inertia C) law of universal gravitation D) reaction force
A) action force B) inertia C) orbit D) reaction force E) Law of Gravitation
A) Reaction force B) orbit C) action force D) inertia
A) acceleration B) position C) velocity D) speed E) momentum
A) position of that object B) velocity of that object C) the speed of that object D) acceleration of that object E) momentum of that object
A) momentum B) acceleration C) speed D) velocity E) position
A) position B) momentum C) acceleration D) speed 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 lever and a wedge B) a wedge and a pulley C) A screw and a wedge D) a pulley and a screw
A) a machine B) a magnet C) friction D) speed
A) a power B) a current C) a machine D) a force
A) friction B) power C) force D) magnetism E) work |