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