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