A) gravitation B) magnetism C) force D) work E) friction
A) work B) gravitation C) force D) friction E) magnetism
A) magnetism B) gravitation C) work D) force E) friction
A) force B) work C) balanced forces D) magnetism E) unbalanced forces
A) work B) force C) gravitation D) net force E) power
A) net force B) work C) friction D) force E) power
A) friction B) power C) unbalanced forces D) work E) balanced forces
A) newton B) magnetism C) gravity 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) a force sending it backward C) an equal and opposite reaction D) a greater force pushing on it
A) its frame of reference changes B) its momentum changes C) its mass and velocity changes D) Its position changes
A) The movement of objects on Earth and in space B) how frame of reference influences movement 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) friction can be overcome for all objects D) gravitational forces are stronger on Earth than on the moon or other satellites
A) inertia B) reaction force C) law of universal gravitation D) orbit
A) orbit B) reaction force C) Law of Gravitation D) inertia E) action force
A) action force B) orbit C) inertia D) Reaction force
A) momentum B) acceleration C) velocity D) speed E) position
A) position of that object B) velocity of that object C) momentum of that object D) acceleration of that object E) the speed of that object
A) position B) acceleration C) velocity D) momentum E) speed
A) acceleration B) velocity C) position D) momentum E) speed
A) a ball thrown into the air always falls back toward Earth B) trucks slow down when they are travelling uphill C) a pole can be knocked down when a moving car hits it D) a spacecraft can travel in space for thousands of years
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) speed B) friction C) a machine D) a magnet
A) a power B) a current C) a force D) a machine
A) friction B) magnetism C) power D) work E) force |