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