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