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