A) friction B) force C) magnetism D) gravitation E) work
A) friction B) gravitation C) work D) force E) magnetism
A) magnetism B) friction C) work D) force E) gravitation
A) balanced forces B) magnetism C) unbalanced forces D) force E) work
A) work B) gravitation C) power D) net force E) force
A) net force B) power C) force D) work E) friction
A) unbalanced forces B) power C) friction D) work E) balanced forces
A) magnetism B) newton C) friction D) gravity
A) a nearby star acts on it B) an outside force acts on it C) it is placed on a flat surface 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 frame of reference changes B) Its position changes C) its mass and velocity changes D) its momentum changes
A) Why all moving objects eventually stop moving B) the relationship between the four basic elements C) The movement of objects on Earth and in space 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) inertia B) orbit C) reaction force D) law of universal gravitation
A) action force B) inertia C) orbit D) Law of Gravitation E) reaction force
A) action force B) inertia C) orbit D) Reaction force
A) momentum B) acceleration C) velocity D) speed E) position
A) the speed of that object B) momentum of that object C) acceleration of that object D) position of that object E) velocity of that object
A) speed B) acceleration C) velocity D) momentum E) position
A) velocity B) speed C) momentum D) acceleration E) position
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 pulley and a screw B) A screw and a wedge C) a wedge and a pulley D) a lever and a wedge
A) friction B) a machine C) a magnet D) speed
A) a power B) a force C) a current D) a machine
A) friction B) work C) power D) force E) magnetism |