A) force B) friction C) magnetism D) work E) gravitation
A) work B) magnetism C) gravitation D) friction E) force
A) force B) friction C) magnetism D) gravitation E) work
A) balanced forces B) work C) magnetism D) unbalanced forces E) force
A) net force B) gravitation C) power D) force E) work
A) friction B) net force C) force D) work E) power
A) work B) unbalanced forces C) power D) friction E) balanced forces
A) friction B) newton C) gravity D) magnetism
A) it is placed on a flat surface B) it continues in a straight line C) an outside force acts on it D) a nearby star acts on it
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 momentum changes B) Its position changes C) its frame of reference changes D) its mass and velocity changes
A) the relationship between the four basic elements B) The movement of objects on Earth and in space C) how frame of reference influences movement D) Why all moving objects eventually stop moving
A) friction can be overcome for all objects 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) People in a car move forward in their seats when the car stops quickly
A) reaction force B) orbit C) law of universal gravitation D) inertia
A) inertia B) action force C) reaction force D) orbit E) Law of Gravitation
A) orbit B) inertia C) action force D) Reaction force
A) position B) speed C) acceleration D) velocity E) momentum
A) the speed of that object B) momentum of that object C) acceleration of that object D) position of that object E) velocity of that object
A) velocity B) acceleration C) speed D) momentum E) position
A) position B) momentum C) acceleration D) velocity E) speed
A) trucks slow down when they are travelling uphill 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) a spacecraft can travel in space for thousands of years
A) a pulley and a screw B) a lever and a wedge C) A screw and a wedge D) a wedge and a pulley
A) speed B) a magnet C) a machine D) friction
A) a force B) a current C) a machine D) a power
A) magnetism B) friction C) work D) power E) force |