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