A) gravitation B) work C) force D) friction E) magnetism
A) friction B) magnetism C) gravitation D) work E) force
A) gravitation B) work C) magnetism D) force E) friction
A) work B) unbalanced forces C) magnetism D) balanced forces E) force
A) gravitation B) net force C) power D) work E) force
A) friction B) net force C) work D) force E) power
A) unbalanced forces B) balanced forces C) work D) friction E) power
A) gravity B) friction C) magnetism D) newton
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 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 mass and velocity changes D) its momentum changes
A) how frame of reference influences movement B) the relationship between the four basic elements C) The movement of objects on Earth and in space D) Why all moving objects eventually stop moving
A) the ground pushes against your feet when you run B) friction can be overcome for all objects C) People in a car move forward in their seats when the car stops quickly D) gravitational forces are stronger on Earth than on the moon or other satellites
A) inertia B) reaction force C) orbit D) law of universal gravitation
A) Law of Gravitation B) orbit C) inertia D) reaction force E) action force
A) action force B) Reaction force C) inertia D) orbit
A) position B) momentum C) velocity D) acceleration E) speed
A) momentum of that object B) velocity of that object C) the speed of that object D) acceleration of that object E) position of that object
A) acceleration B) speed C) momentum D) position E) velocity
A) acceleration B) velocity C) speed D) momentum E) position
A) a spacecraft can travel in space for thousands of years B) trucks slow down when they are travelling uphill C) a ball thrown into the air always falls back toward Earth D) a pole can be knocked down when a moving car hits it
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) a machine B) speed C) friction D) a magnet
A) a machine B) a force C) a current D) a power
A) power B) magnetism C) work D) force E) friction |