A) magnetism B) friction C) work D) force E) gravitation
A) work B) magnetism C) gravitation D) force E) friction
A) work B) friction C) gravitation D) magnetism E) force
A) unbalanced forces B) balanced forces C) force D) work E) magnetism
A) net force B) force C) power D) work E) gravitation
A) work B) force C) net force D) power E) friction
A) power B) friction C) work D) balanced forces E) unbalanced forces
A) newton B) friction C) gravity D) magnetism
A) it is placed on a flat surface B) it continues in a straight line C) a nearby star acts on it D) an outside force acts on it
A) an equal and opposite reaction B) a force sending it backward 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) Why all moving objects eventually stop moving B) the relationship between the four basic elements C) The movement of objects on Earth and in space D) how frame of reference influences movement
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) inertia B) orbit C) law of universal gravitation D) reaction force
A) action force B) reaction force C) Law of Gravitation D) orbit E) inertia
A) Reaction force B) inertia C) action force D) orbit
A) momentum B) position C) speed D) velocity 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) velocity B) momentum C) acceleration D) position E) speed
A) momentum B) velocity C) speed D) acceleration E) position
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 wedge and a pulley B) A screw and a wedge C) a lever and a wedge D) a pulley and a screw
A) speed B) a magnet C) friction D) a machine
A) a force B) a current C) a machine D) a power
A) work B) friction C) magnetism D) force E) power |