A) work B) force C) friction D) magnetism E) gravitation
A) force B) gravitation C) friction D) work E) magnetism
A) gravitation B) friction C) work D) force E) magnetism
A) force B) work C) unbalanced forces D) balanced forces E) magnetism
A) gravitation B) force C) net force D) work E) power
A) friction B) work C) force D) power E) net force
A) power B) friction C) unbalanced forces D) balanced forces E) work
A) friction B) gravity C) newton D) magnetism
A) it is placed on a flat surface B) a nearby star acts on it C) an outside force acts on it D) it continues in a straight line
A) an equal and opposite reaction B) a force sending it backward C) a greater force pushing on it D) a movement in all directions
A) its mass and velocity changes B) its frame of reference changes C) its momentum changes D) Its position changes
A) Why all moving objects eventually stop moving B) the relationship between the four basic elements C) how frame of reference influences movement D) The movement of objects on Earth and in space
A) friction can be overcome for all objects 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) People in a car move forward in their seats when the car stops quickly
A) inertia B) orbit C) law of universal gravitation D) reaction force
A) Law of Gravitation B) reaction force C) orbit D) inertia E) action force
A) action force B) inertia C) orbit D) Reaction force
A) velocity B) momentum C) speed D) position E) acceleration
A) position of that object B) the speed of that object C) velocity of that object D) acceleration of that object E) momentum of that object
A) position B) acceleration C) speed D) momentum E) velocity
A) speed B) momentum C) position D) velocity E) acceleration
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 pulley and a screw D) a lever and a wedge
A) a magnet B) friction C) speed D) a machine
A) a force B) a machine C) a power D) a current
A) friction B) work C) power D) magnetism E) force |