A) gravitation B) magnetism C) friction D) work E) force
A) force B) friction C) gravitation D) magnetism E) work
A) work B) force C) gravitation D) friction E) magnetism
A) unbalanced forces B) force C) magnetism D) balanced forces E) work
A) gravitation B) work C) force D) net force E) power
A) force B) work C) power D) friction E) net force
A) friction B) work C) balanced forces D) power E) unbalanced forces
A) newton B) magnetism C) gravity D) friction
A) it continues in a straight line B) it is placed on a flat surface C) a nearby star acts on it D) an outside force acts on it
A) a greater force pushing on it B) an equal and opposite reaction C) a force sending it backward D) a movement in all directions
A) its mass and velocity changes B) its momentum changes C) its frame of reference 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) 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) inertia B) orbit C) reaction force D) law of universal gravitation
A) inertia B) Law of Gravitation C) reaction force D) action force E) orbit
A) Reaction force B) orbit C) action force D) inertia
A) position B) velocity C) momentum D) acceleration E) speed
A) position of that object B) momentum of that object C) the speed of that object D) acceleration of that object E) velocity of that object
A) velocity B) position C) acceleration D) speed E) momentum
A) velocity B) position C) acceleration D) momentum E) speed
A) a ball thrown into the air always falls back toward Earth B) a spacecraft can travel in space for thousands of years C) a pole can be knocked down when a moving car hits it 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) a machine B) friction C) a magnet D) speed
A) a current B) a force C) a power D) a machine
A) work B) power C) force D) magnetism E) friction |