A) work B) friction C) force D) magnetism E) gravitation
A) magnetism B) gravitation C) friction D) force E) work
A) force B) magnetism C) friction D) gravitation E) work
A) unbalanced forces B) magnetism C) force D) work E) balanced forces
A) gravitation B) work C) power D) net force E) force
A) friction B) net force C) power D) force E) work
A) balanced forces B) power C) unbalanced forces D) friction E) work
A) magnetism B) friction C) gravity D) newton
A) a nearby star acts on it B) it continues in a straight line C) it is placed on a flat surface D) an outside force acts on it
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 mass and velocity changes B) Its position changes C) its frame of reference changes D) its momentum changes
A) The movement of objects on Earth and in space B) the relationship between the four basic elements C) Why all moving objects eventually stop moving D) how frame of reference influences movement
A) the ground pushes against your feet when you run 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) friction can be overcome for all objects
A) inertia B) law of universal gravitation C) orbit D) reaction force
A) inertia B) Law of Gravitation C) action force D) orbit E) reaction force
A) orbit B) inertia C) action force D) Reaction force
A) momentum B) speed C) velocity D) position E) acceleration
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) speed D) position E) momentum
A) velocity B) momentum C) acceleration D) position E) speed
A) trucks slow down when they are travelling uphill B) a ball thrown into the air always falls back toward Earth C) a spacecraft can travel in space for thousands of years D) a pole can be knocked down when a moving car hits it
A) A screw and a wedge B) a pulley and a screw C) a wedge and a pulley D) a lever and a wedge
A) friction B) a magnet C) speed D) a machine
A) a current B) a force C) a power D) a machine
A) work B) magnetism C) force D) friction E) power |