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