A) work B) magnetism C) gravitation D) friction E) force
A) gravitation B) magnetism C) work D) friction E) force
A) force B) work C) friction D) magnetism E) gravitation
A) force B) balanced forces C) magnetism D) unbalanced forces E) work
A) work B) force C) power D) net force E) gravitation
A) power B) net force C) work D) force E) friction
A) friction B) work C) unbalanced forces D) power E) balanced forces
A) newton B) magnetism C) friction D) gravity
A) an outside force acts on it B) a nearby star acts on it C) it continues in a straight line D) it is placed on a flat surface
A) a force sending it backward B) a movement in all directions C) a greater force pushing on it D) an equal and opposite reaction
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) how frame of reference influences movement D) the relationship between the four basic elements
A) friction can be overcome for all objects B) the ground pushes against your feet when you run C) gravitational forces are stronger on Earth than on the moon or other satellites D) People in a car move forward in their seats when the car stops quickly
A) orbit B) reaction force C) inertia D) law of universal gravitation
A) action force B) inertia C) Law of Gravitation D) orbit E) reaction force
A) orbit B) inertia C) action force D) Reaction force
A) position B) momentum C) velocity D) acceleration E) speed
A) the speed of that object B) acceleration of that object C) position of that object D) velocity of that object E) momentum of that object
A) acceleration B) speed C) position D) velocity E) momentum
A) momentum B) speed C) acceleration D) velocity 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 pole can be knocked down when a moving car hits it 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) friction B) a machine C) speed D) a magnet
A) a machine B) a force C) a current D) a power
A) force B) power C) magnetism D) friction E) work |