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