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