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