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