A) force B) friction C) gravitation D) magnetism E) work
A) friction B) work C) gravitation D) magnetism E) force
A) friction B) magnetism C) gravitation D) work E) force
A) unbalanced forces B) force C) balanced forces D) magnetism E) work
A) gravitation B) force C) work D) net force E) power
A) work B) force C) power D) friction E) net force
A) friction B) balanced forces C) work D) power E) unbalanced forces
A) magnetism B) newton C) gravity D) friction
A) it is placed on a flat surface B) an outside force acts on it C) it continues in a straight line D) a nearby star acts on it
A) a greater force pushing on it B) a force sending it backward C) an equal and opposite reaction D) a movement in all directions
A) its momentum changes B) its frame of reference changes C) its mass and velocity changes D) Its position 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) 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) inertia B) reaction force C) law of universal gravitation D) orbit
A) reaction force B) orbit C) action force D) inertia E) Law of Gravitation
A) action force B) orbit C) Reaction force D) inertia
A) velocity B) speed C) acceleration D) position E) momentum
A) acceleration of that object B) position of that object C) momentum of that object D) velocity of that object E) the speed of that object
A) position B) speed C) momentum D) velocity E) acceleration
A) momentum B) acceleration C) velocity D) position E) speed
A) trucks slow down when they are travelling uphill B) a pole can be knocked down when a moving car hits it 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 screw and a wedge B) a wedge and a pulley C) a pulley and a screw D) a lever and a wedge
A) a magnet B) a machine C) friction D) speed
A) a current B) a power C) a machine D) a force
A) force B) power C) friction D) work E) magnetism |