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