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