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