A) gravitation B) work C) magnetism D) force E) friction
A) gravitation B) work C) force D) friction E) magnetism
A) friction B) gravitation C) work D) magnetism E) force
A) balanced forces B) unbalanced forces C) magnetism D) force E) work
A) work B) net force C) force D) power E) gravitation
A) power B) force C) net force D) friction E) work
A) work B) friction C) unbalanced forces D) power E) balanced forces
A) gravity B) newton C) friction D) magnetism
A) a nearby star acts on it B) it continues in a straight line C) an outside force acts on it D) it is placed on a flat surface
A) a force sending it backward B) a movement in all directions C) a greater force pushing on it D) an equal and opposite reaction
A) its momentum changes B) Its position changes C) its frame of reference changes D) its mass and velocity changes
A) Why all moving objects eventually stop moving B) how frame of reference influences movement 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) 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) inertia B) law of universal gravitation C) orbit D) reaction force
A) action force B) reaction force C) inertia D) orbit E) Law of Gravitation
A) inertia B) action force C) Reaction force D) orbit
A) speed B) acceleration C) position D) momentum E) velocity
A) the speed of that object B) position of that object C) acceleration of that object D) velocity of that object E) momentum of that object
A) speed B) momentum C) velocity D) acceleration E) position
A) momentum B) acceleration C) velocity D) speed E) position
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) a ball thrown into the air always falls back toward Earth D) trucks slow down when they are travelling uphill
A) A screw and a wedge B) a wedge and a pulley C) a lever and a wedge D) a pulley and a screw
A) speed B) friction C) a magnet D) a machine
A) a current B) a force C) a machine D) a power
A) work B) magnetism C) force D) power E) friction |