A) work B) friction C) gravitation D) magnetism E) force
A) force B) work C) magnetism D) friction E) gravitation
A) magnetism B) gravitation C) friction D) force E) work
A) balanced forces B) unbalanced forces C) magnetism D) force E) work
A) net force B) gravitation C) work D) force E) power
A) net force B) work C) power D) friction E) force
A) power B) balanced forces C) work D) unbalanced forces E) friction
A) magnetism B) friction C) newton D) gravity
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) an equal and opposite reaction B) a force sending it backward C) a movement in all directions D) a greater force pushing on it
A) Its position changes B) its frame of reference changes C) its mass and velocity changes D) its momentum changes
A) Why all moving objects eventually stop moving B) The movement of objects on Earth and in space 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) People in a car move forward in their seats when the car stops quickly D) the ground pushes against your feet when you run
A) reaction force B) law of universal gravitation C) orbit D) inertia
A) action force B) Law of Gravitation C) orbit D) reaction force E) inertia
A) Reaction force B) action force C) orbit D) inertia
A) speed B) acceleration C) position D) velocity E) momentum
A) the speed of that object B) momentum of that object C) acceleration of that object D) velocity of that object E) position of that object
A) acceleration B) momentum C) velocity D) speed E) position
A) momentum B) acceleration C) speed D) position E) velocity
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 lever and a wedge B) A screw and a wedge C) a wedge and a pulley D) a pulley and a screw
A) speed B) friction C) a machine D) a magnet
A) a force B) a power C) a machine D) a current
A) magnetism B) work C) force D) friction E) power |