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