A) work B) gravitation C) magnetism D) force E) friction
A) gravitation B) force C) work D) friction E) magnetism
A) magnetism B) friction C) force D) work E) gravitation
A) balanced forces B) force C) unbalanced forces D) work E) magnetism
A) work B) gravitation C) force D) power E) net force
A) force B) net force C) friction D) power E) work
A) work B) friction C) balanced forces D) power E) unbalanced forces
A) friction B) newton C) gravity D) magnetism
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) a movement in all directions C) an equal and opposite reaction D) a force sending it backward
A) its frame of reference changes B) its momentum changes C) its mass and velocity changes D) Its position changes
A) The movement of objects on Earth and in space B) the relationship between the four basic elements C) how frame of reference influences movement D) Why all moving objects eventually stop moving
A) friction can be overcome for all objects B) the ground pushes against your feet when you run C) People in a car move forward in their seats when the car stops quickly D) gravitational forces are stronger on Earth than on the moon or other satellites
A) orbit B) inertia C) law of universal gravitation D) reaction force
A) orbit B) reaction force C) Law of Gravitation D) action force E) inertia
A) action force B) orbit C) inertia D) Reaction force
A) position B) acceleration C) velocity D) momentum E) speed
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) position B) speed C) velocity D) acceleration E) momentum
A) acceleration B) momentum C) speed D) position E) velocity
A) trucks slow down when they are travelling uphill B) a ball thrown into the air always falls back toward Earth C) a pole can be knocked down when a moving car hits it D) a spacecraft can travel in space for thousands of years
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) speed B) friction C) a magnet D) a machine
A) a machine B) a force C) a current D) a power
A) power B) magnetism C) friction D) work E) force |