A) gravitation B) work C) magnetism D) friction E) force
A) gravitation B) force C) work D) friction E) magnetism
A) friction B) force C) gravitation D) work E) magnetism
A) force B) magnetism C) balanced forces D) work E) unbalanced forces
A) net force B) work C) power D) gravitation E) force
A) friction B) force C) net force D) work E) power
A) work B) unbalanced forces C) power D) friction E) balanced forces
A) newton B) gravity C) magnetism D) friction
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 movement in all directions B) a greater force pushing on it C) a force sending it backward D) an equal and opposite reaction
A) its frame of reference changes B) its mass and velocity changes C) Its position 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) 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) inertia B) reaction force C) orbit D) law of universal gravitation
A) action force B) reaction force C) Law of Gravitation D) orbit E) inertia
A) action force B) inertia C) orbit D) Reaction force
A) velocity B) speed C) momentum D) acceleration E) position
A) position of that object B) acceleration of that object C) velocity of that object D) momentum of that object E) the speed of that object
A) velocity B) momentum C) position D) acceleration E) speed
A) speed B) acceleration C) position D) momentum E) velocity
A) a spacecraft can travel in space for thousands of years B) trucks slow down when they are travelling uphill C) a pole can be knocked down when a moving car hits it D) a ball thrown into the air always falls back toward Earth
A) a pulley and a screw B) a wedge and a pulley C) a lever and a wedge D) A screw and a wedge
A) a machine B) a magnet C) speed D) friction
A) a current B) a force C) a machine D) a power
A) power B) force C) friction D) magnetism E) work |