A) force B) magnetism C) friction D) gravitation E) work
A) gravitation B) friction C) force D) magnetism E) work
A) work B) force C) magnetism D) friction E) gravitation
A) magnetism B) balanced forces C) force D) unbalanced forces E) work
A) net force B) power C) gravitation D) work E) force
A) force B) work C) power D) net force E) friction
A) friction B) power C) unbalanced forces D) work E) balanced forces
A) gravity B) magnetism C) friction D) newton
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 force sending it backward B) a movement in all directions C) a greater force pushing on it D) an equal and opposite reaction
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 relationship between the four basic elements C) The movement of objects on Earth and in space D) Why all moving objects eventually stop moving
A) friction can be overcome for all objects 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) the ground pushes against your feet when you run
A) orbit B) inertia C) reaction force D) law of universal gravitation
A) inertia B) Law of Gravitation C) action force D) reaction force E) orbit
A) inertia B) Reaction force C) action force D) orbit
A) momentum B) velocity C) position D) speed E) acceleration
A) momentum of that object B) acceleration of that object C) the speed of that object D) position of that object E) velocity of that object
A) velocity B) position C) acceleration D) momentum E) speed
A) acceleration B) speed C) momentum 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 wedge and a pulley C) a pulley and a screw D) A screw and a wedge
A) a magnet B) friction C) speed D) a machine
A) a current B) a machine C) a power D) a force
A) friction B) magnetism C) work D) power E) force |