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