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