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