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