A) work B) friction C) magnetism D) force E) gravitation
A) work B) force C) friction D) gravitation E) magnetism
A) magnetism B) gravitation C) force D) friction E) work
A) balanced forces B) force C) unbalanced forces D) magnetism E) work
A) net force B) work C) power D) force E) gravitation
A) work B) force C) friction D) net force E) power
A) unbalanced forces B) balanced forces C) work D) friction E) power
A) magnetism B) newton C) gravity D) friction
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) a movement in all directions B) a force sending it backward C) a greater force pushing on it D) an equal and opposite reaction
A) Its position changes B) its frame of reference changes C) its momentum changes D) its mass and velocity 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) gravitational forces are stronger on Earth than on the moon or other satellites B) the ground pushes against your feet when you run C) friction can be overcome for all objects D) People in a car move forward in their seats when the car stops quickly
A) law of universal gravitation B) orbit C) inertia D) reaction force
A) orbit B) inertia C) reaction force D) Law of Gravitation E) action force
A) action force B) Reaction force C) orbit D) inertia
A) position B) speed C) acceleration D) momentum E) velocity
A) position of that object B) acceleration of that object C) the speed of that object D) velocity of that object E) momentum of that object
A) momentum B) position C) speed D) acceleration E) velocity
A) velocity B) speed C) acceleration D) position E) momentum
A) a spacecraft can travel in space for thousands of years B) a ball thrown into the air always falls back toward Earth C) trucks slow down when they are travelling uphill D) a pole can be knocked down when a moving car hits it
A) a wedge and a pulley B) A screw and a wedge C) a lever and a wedge D) a pulley and a screw
A) a machine B) a magnet C) speed D) friction
A) a current B) a machine C) a force D) a power
A) force B) work C) friction D) magnetism E) power |