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