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