A) friction B) force C) gravitation D) work E) magnetism
A) work B) force C) gravitation D) friction E) magnetism
A) work B) force C) magnetism D) friction E) gravitation
A) balanced forces B) work C) unbalanced forces D) force E) magnetism
A) work B) force C) gravitation D) net force E) power
A) force B) friction C) power D) work E) net force
A) power B) balanced forces C) friction D) unbalanced forces E) work
A) gravity B) friction C) magnetism 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 greater force pushing on it B) an equal and opposite reaction C) a force sending it backward D) a movement in all directions
A) Its position changes B) its frame of reference changes C) its momentum changes D) its mass and velocity changes
A) Why all moving objects eventually stop moving B) the relationship between the four basic elements C) The movement of objects on Earth and in space D) how frame of reference influences movement
A) gravitational forces are stronger on Earth than on the moon or other satellites B) friction can be overcome for all objects 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) inertia B) orbit C) reaction force D) law of universal gravitation
A) Law of Gravitation B) inertia C) orbit D) action force E) reaction force
A) Reaction force B) inertia C) action force D) orbit
A) momentum B) speed C) position D) acceleration E) velocity
A) velocity of that object B) the speed of that object C) momentum of that object D) acceleration of that object E) position of that object
A) velocity B) speed C) acceleration D) position E) momentum
A) speed B) momentum C) acceleration D) position E) velocity
A) a pole can be knocked down when a moving car hits it B) trucks slow down when they are travelling uphill 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 lever and a wedge B) a pulley and a screw C) A screw and a wedge D) a wedge and a pulley
A) speed B) a machine C) friction D) a magnet
A) a current B) a force C) a machine D) a power
A) magnetism B) work C) force D) power E) friction |