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