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