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