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