A) magnetism B) force C) gravitation D) friction E) work
A) work B) magnetism C) force D) gravitation E) friction
A) work B) force C) magnetism D) gravitation E) friction
A) work B) unbalanced forces C) magnetism D) force E) balanced forces
A) work B) power C) force D) net force E) gravitation
A) friction B) power C) net force D) work E) force
A) friction B) power C) unbalanced forces D) work E) balanced forces
A) friction B) newton C) gravity D) magnetism
A) a nearby star acts on it B) an outside force acts on it C) it continues in a straight line 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 momentum changes B) its mass and velocity changes C) Its position changes D) its frame of reference 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) gravitational forces are stronger on Earth than on the moon or other satellites D) friction can be overcome for all objects
A) orbit B) reaction force C) inertia D) law of universal gravitation
A) inertia B) action force C) reaction force D) orbit E) Law of Gravitation
A) orbit B) inertia C) action force D) Reaction force
A) position B) acceleration C) speed D) momentum E) velocity
A) position of that object B) momentum of that object C) velocity of that object D) acceleration of that object E) the speed of that object
A) velocity B) momentum C) position D) acceleration E) speed
A) speed B) velocity C) position D) acceleration E) momentum
A) trucks slow down when they are travelling uphill B) a ball thrown into the air always falls back toward Earth C) a spacecraft can travel in space for thousands of years D) a pole can be knocked down when a moving car hits it
A) A screw and a wedge B) a lever and a wedge C) a pulley and a screw D) a wedge and a pulley
A) a machine B) friction C) a magnet D) speed
A) a power B) a machine C) a force D) a current
A) work B) friction C) force D) magnetism E) power |