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