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