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