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