A) friction B) gravitation C) force D) magnetism E) work
A) gravitation B) work C) friction D) magnetism E) force
A) force B) magnetism C) friction D) work E) gravitation
A) force B) unbalanced forces C) balanced forces D) magnetism E) work
A) power B) work C) gravitation D) net force E) force
A) power B) force C) friction D) work E) net force
A) work B) friction C) power D) unbalanced forces E) balanced forces
A) friction B) magnetism C) gravity D) newton
A) it continues in a straight line B) a nearby star acts on it C) it is placed on a flat surface D) an outside force acts on it
A) a movement in all directions B) a greater force pushing on it C) an equal and opposite reaction D) a force sending it backward
A) its frame of reference changes B) its mass and velocity 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) the relationship between the four basic elements 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) the ground pushes against your feet when you run D) gravitational forces are stronger on Earth than on the moon or other satellites
A) orbit B) reaction force C) law of universal gravitation D) inertia
A) Law of Gravitation B) orbit C) reaction force D) inertia E) action force
A) action force B) orbit C) Reaction force D) inertia
A) speed B) momentum C) velocity D) position E) acceleration
A) acceleration of that object B) momentum of that object C) velocity of that object D) the speed of that object E) position of that object
A) speed B) momentum C) velocity D) position E) acceleration
A) acceleration B) speed C) position D) velocity E) momentum
A) a spacecraft can travel in space for thousands of years B) trucks slow down when they are travelling uphill 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 lever and a wedge B) a wedge and a pulley C) a pulley and a screw D) A screw and a wedge
A) friction B) a machine C) a magnet D) speed
A) a current B) a machine C) a force D) a power
A) friction B) force C) power D) magnetism E) work |