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