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