A) friction B) gravitation C) force D) magnetism E) work
A) gravitation B) magnetism C) friction D) force E) work
A) magnetism B) gravitation C) friction D) force E) work
A) magnetism B) work C) unbalanced forces D) balanced forces E) force
A) gravitation B) net force C) work D) force E) power
A) force B) friction C) net force D) work E) power
A) work B) unbalanced forces C) friction D) power E) balanced forces
A) newton B) gravity C) friction D) magnetism
A) a nearby star acts on it B) an outside force acts on it C) it is placed on a flat surface D) it continues in a straight line
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 mass and velocity changes C) its frame of reference changes D) its momentum changes
A) the relationship between the four basic elements B) how frame of reference influences movement C) Why all moving objects eventually stop moving D) The movement of objects on Earth and in space
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) 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) reaction force C) inertia D) law of universal gravitation
A) orbit B) action force C) Law of Gravitation D) reaction force E) inertia
A) inertia B) orbit C) action force D) Reaction force
A) velocity B) position C) momentum D) speed E) acceleration
A) momentum of that object B) acceleration of that object C) velocity of that object D) position of that object E) the speed of that object
A) position B) acceleration C) speed D) momentum E) velocity
A) acceleration B) position C) momentum D) speed E) velocity
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 wedge and a pulley C) a pulley and a screw D) a lever and a wedge
A) friction B) speed C) a machine D) a magnet
A) a force B) a machine C) a current D) a power
A) force B) friction C) work D) magnetism E) power |