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