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