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