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