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