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