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