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