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