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