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