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