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