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