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