A) friction B) work C) force D) gravitation E) magnetism
A) work B) magnetism C) force D) gravitation E) friction
A) friction B) gravitation C) magnetism D) work E) force
A) work B) unbalanced forces C) force D) balanced forces E) magnetism
A) net force B) work C) force D) power E) gravitation
A) force B) power C) net force D) friction E) work
A) work B) unbalanced forces C) balanced forces D) power E) friction
A) magnetism B) newton C) friction D) gravity
A) a nearby star acts on it B) it continues in a straight line C) an outside force acts on it D) it is placed on a flat surface
A) a movement in all directions B) an equal and opposite reaction C) a greater force pushing on it D) a force sending it backward
A) its momentum changes B) Its position changes C) its frame of reference changes D) its mass and velocity changes
A) Why all moving objects eventually stop moving B) The movement of objects on Earth and in space C) how frame of reference influences movement 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) law of universal gravitation C) orbit D) reaction force
A) Law of Gravitation B) reaction force C) inertia D) action force E) orbit
A) action force B) orbit C) Reaction force D) inertia
A) velocity B) speed C) acceleration D) momentum E) position
A) the speed of that object B) acceleration of that object C) momentum of that object D) velocity of that object E) position of that object
A) speed B) acceleration C) momentum D) position E) velocity
A) momentum B) position C) speed D) acceleration E) velocity
A) a spacecraft can travel in space for thousands of years B) a pole can be knocked down when a moving car hits it C) trucks slow down when they are travelling uphill D) a ball thrown into the air always falls back toward Earth
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 magnet B) friction C) speed D) a machine
A) a machine B) a force C) a power D) a current
A) force B) friction C) work D) power E) magnetism |