A) work B) magnetism C) gravitation D) force E) friction
A) work B) gravitation C) friction D) magnetism E) force
A) gravitation B) force C) magnetism D) work E) friction
A) balanced forces B) unbalanced forces C) magnetism D) force E) work
A) force B) gravitation C) net force D) power E) work
A) power B) friction C) work D) net force E) force
A) power B) unbalanced forces C) balanced forces D) friction E) work
A) friction B) newton C) gravity D) magnetism
A) an outside force acts on it B) it is placed on a flat surface C) a nearby star acts on it D) it continues in a straight line
A) a force sending it backward B) an equal and opposite reaction C) a movement in all directions D) a greater force pushing on it
A) its mass and velocity changes B) Its position changes C) its momentum changes D) its frame of reference changes
A) Why all moving objects eventually stop moving B) the relationship between the four basic elements C) how frame of reference influences movement 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) friction can be overcome for all objects D) People in a car move forward in their seats when the car stops quickly
A) law of universal gravitation B) inertia C) orbit D) reaction force
A) orbit B) reaction force C) action force D) inertia E) Law of Gravitation
A) orbit B) inertia C) action force D) Reaction force
A) position B) velocity C) speed D) acceleration E) momentum
A) the speed of that object B) position of that object C) velocity of that object D) momentum of that object E) acceleration of that object
A) acceleration B) momentum C) position D) speed E) velocity
A) velocity B) acceleration C) speed D) position E) momentum
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 screw and a wedge B) a wedge and a pulley C) a lever and a wedge D) a pulley and a screw
A) a magnet B) a machine C) speed D) friction
A) a machine B) a current C) a force D) a power
A) magnetism B) force C) power D) work E) friction |