A) force B) magnetism C) friction D) work E) gravitation
A) force B) work C) gravitation D) friction E) magnetism
A) work B) gravitation C) force D) friction E) magnetism
A) magnetism B) balanced forces C) unbalanced forces D) work E) force
A) power B) net force C) work D) gravitation E) force
A) power B) friction C) net force D) force E) work
A) power B) work C) balanced forces D) unbalanced forces E) friction
A) newton B) magnetism C) gravity D) friction
A) it is placed on a flat surface B) an outside force acts on it C) a nearby star acts on it D) it continues in a straight line
A) a movement in all directions B) an equal and opposite reaction C) a greater force pushing on it D) a force sending it backward
A) its mass and velocity changes B) its momentum 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 movement of objects on Earth and in space D) the relationship between the four basic elements
A) friction can be overcome for all objects 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) the ground pushes against your feet when you run
A) inertia B) orbit C) reaction force D) law of universal gravitation
A) reaction force B) action force C) Law of Gravitation D) inertia E) orbit
A) orbit B) action force C) inertia D) Reaction force
A) momentum B) position C) acceleration D) velocity E) speed
A) momentum of that object B) velocity of that object C) acceleration of that object D) position of that object E) the speed of that object
A) acceleration B) momentum C) speed D) velocity E) position
A) momentum B) velocity C) acceleration D) position E) speed
A) a spacecraft can travel in space for thousands of years B) trucks slow down when they are travelling uphill 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 pulley and a screw B) A screw and a wedge C) a wedge and a pulley D) a lever and a wedge
A) a machine B) a magnet C) speed D) friction
A) a current B) a force C) a power D) a machine
A) friction B) work C) magnetism D) power E) force |