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