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