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