A) magnetism B) gravitation C) force D) friction E) work
A) gravitation B) force C) work D) magnetism E) friction
A) work B) friction C) gravitation D) magnetism E) force
A) unbalanced forces B) magnetism C) work D) balanced forces E) force
A) net force B) power C) gravitation D) force E) work
A) force B) work C) net force D) friction E) power
A) power B) work C) friction D) unbalanced forces E) balanced forces
A) magnetism B) friction C) gravity 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 movement in all directions B) an equal and opposite reaction C) a force sending it backward D) a greater force pushing on it
A) its mass and velocity changes B) its frame of reference changes C) its momentum changes D) Its position changes
A) how frame of reference influences movement B) The movement of objects on Earth and in space C) Why all moving objects eventually stop moving D) the relationship between the four basic elements
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) friction can be overcome for all objects D) gravitational forces are stronger on Earth than on the moon or other satellites
A) reaction force B) inertia C) orbit D) law of universal gravitation
A) orbit B) inertia C) Law of Gravitation D) reaction force E) action force
A) orbit B) inertia C) action force D) Reaction force
A) speed B) acceleration C) velocity D) position E) momentum
A) momentum of that object B) position of that object C) the speed of that object D) acceleration of that object E) velocity of that object
A) acceleration B) position C) speed D) velocity E) momentum
A) velocity B) position C) speed D) momentum E) acceleration
A) a ball thrown into the air always falls back toward Earth B) trucks slow down when they are travelling uphill 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 lever and a wedge B) a pulley and a screw C) A screw and a wedge D) a wedge and a pulley
A) a magnet B) a machine C) friction D) speed
A) a power B) a current C) a force D) a machine
A) power B) work C) magnetism D) friction E) force |