A) force B) gravitation C) friction D) magnetism E) work
A) gravitation B) magnetism C) force D) friction E) work
A) force B) magnetism C) friction D) gravitation E) work
A) force B) magnetism C) work D) balanced forces E) unbalanced forces
A) net force B) power C) work D) gravitation E) force
A) power B) net force C) work D) friction E) force
A) friction B) work C) power D) unbalanced forces E) balanced forces
A) friction B) newton C) magnetism D) gravity
A) an outside force acts on it B) a nearby star acts on it C) it continues in a straight line D) it is placed on a flat surface
A) a force sending it backward B) a movement in all directions C) an equal and opposite reaction D) a greater force pushing on it
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) gravitational forces are stronger on Earth than on the moon or other satellites C) People in a car move forward in their seats when the car stops quickly D) the ground pushes against your feet when you run
A) orbit B) inertia C) law of universal gravitation D) reaction force
A) action force B) orbit C) Law of Gravitation D) reaction force E) inertia
A) orbit B) action force C) Reaction force D) inertia
A) momentum B) position C) speed D) velocity E) acceleration
A) momentum of that object B) the speed of that object C) acceleration of that object D) velocity of that object E) position of that object
A) position B) velocity C) momentum D) speed E) acceleration
A) momentum B) velocity C) speed D) position E) acceleration
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) trucks slow down when they are travelling uphill D) a ball thrown into the air always falls back toward Earth
A) a pulley and a screw B) A screw and a wedge C) a lever and a wedge D) a wedge and a pulley
A) speed B) friction C) a machine D) a magnet
A) a current B) a force C) a power D) a machine
A) force B) friction C) power D) work E) magnetism |