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