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