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