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