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