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