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