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