A) force B) friction C) gravitation D) work E) magnetism
A) magnetism B) work C) force D) gravitation E) friction
A) gravitation B) work C) friction D) magnetism E) force
A) unbalanced forces B) magnetism C) force D) work E) balanced forces
A) net force B) force C) work D) power E) gravitation
A) net force B) work C) power D) force E) friction
A) power B) unbalanced forces C) friction D) work E) balanced forces
A) friction B) gravity C) magnetism D) newton
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) 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 relationship between the four basic elements B) how frame of reference influences movement C) Why all moving objects eventually stop moving 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) the ground pushes against your feet when you run C) People in a car move forward in their seats when the car stops quickly D) friction can be overcome for all objects
A) inertia B) law of universal gravitation C) orbit D) reaction force
A) Law of Gravitation B) reaction force C) orbit D) action force E) inertia
A) orbit B) inertia C) Reaction force D) action force
A) speed B) acceleration C) position D) momentum E) velocity
A) acceleration of that object B) position of that object C) momentum of that object D) the speed of that object E) velocity of that object
A) position B) momentum C) speed D) velocity E) acceleration
A) momentum B) speed C) acceleration D) position E) velocity
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 wedge and a pulley B) a pulley and a screw C) A screw and a wedge D) a lever and a wedge
A) a machine B) friction C) a magnet D) speed
A) a power B) a force C) a machine D) a current
A) friction B) work C) power D) force E) magnetism |