A) gravitation B) friction C) magnetism D) work E) force
A) force B) work C) friction D) magnetism E) gravitation
A) force B) gravitation C) work D) magnetism E) friction
A) work B) magnetism C) unbalanced forces D) force E) balanced forces
A) net force B) force C) gravitation D) work E) power
A) work B) force C) power D) net force E) friction
A) work B) power C) balanced forces D) unbalanced forces E) friction
A) friction B) gravity C) newton D) magnetism
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 greater force pushing on it B) an equal and opposite reaction C) a movement in all directions D) a force sending it backward
A) its frame of reference changes B) Its position changes C) its momentum 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) People in a car move forward in their seats when the car stops quickly 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) friction can be overcome for all objects
A) law of universal gravitation B) inertia C) reaction force D) orbit
A) reaction force B) inertia C) orbit D) Law of Gravitation E) action force
A) orbit B) inertia C) action force D) Reaction force
A) velocity B) acceleration C) speed D) momentum E) position
A) acceleration of that object B) the speed of that object C) velocity of that object D) position of that object E) momentum of that object
A) position B) speed C) velocity D) momentum E) acceleration
A) acceleration B) momentum C) velocity D) speed E) position
A) a ball thrown into the air always falls back toward Earth B) trucks slow down when they are travelling uphill C) a spacecraft can travel in space for thousands of years D) a pole can be knocked down when a moving car hits it
A) a wedge and a pulley B) a lever and a wedge C) A screw and a wedge D) a pulley and a screw
A) a magnet B) speed C) a machine D) friction
A) a power B) a machine C) a force D) a current
A) work B) force C) magnetism D) power E) friction |