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