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