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