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