A) magnetism B) work C) gravitation D) friction E) force
A) gravitation B) force C) friction D) magnetism E) work
A) force B) work C) friction D) magnetism E) gravitation
A) balanced forces B) force C) unbalanced forces D) magnetism E) work
A) net force B) gravitation C) power D) force E) work
A) net force B) friction C) power D) work E) force
A) friction B) balanced forces C) work D) power E) unbalanced forces
A) magnetism B) friction C) gravity D) newton
A) it is placed on a flat surface B) an outside force acts on it C) a nearby star acts on it 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 momentum changes B) Its position changes C) its frame of reference changes D) its mass and velocity 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) orbit B) inertia C) reaction force D) law of universal gravitation
A) reaction force B) inertia C) Law of Gravitation D) orbit E) action force
A) action force B) Reaction force C) inertia D) orbit
A) momentum B) speed C) acceleration D) velocity E) position
A) position of that object B) acceleration of that object C) velocity of that object D) the speed of that object E) momentum of that object
A) position B) velocity C) acceleration D) speed E) momentum
A) speed B) position 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 wedge and a pulley B) a pulley and a screw C) a lever and a wedge D) A screw and a wedge
A) a machine B) a magnet C) speed D) friction
A) a current B) a power C) a machine D) a force
A) friction B) force C) magnetism D) power E) work |