A) force B) friction C) work D) gravitation E) magnetism
A) work B) gravitation C) magnetism D) friction E) force
A) magnetism B) work C) friction D) gravitation E) force
A) unbalanced forces B) magnetism C) work D) balanced forces E) force
A) force B) work C) power D) net force E) gravitation
A) power B) force C) work D) net force E) friction
A) unbalanced forces B) work C) balanced forces D) friction E) power
A) newton B) gravity C) friction D) magnetism
A) an outside force acts on it B) a nearby star acts on it C) it continues in a straight line D) it is placed on a flat surface
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 frame of reference changes C) Its position changes D) its momentum changes
A) how frame of reference influences movement B) The movement of objects on Earth and in space C) the relationship between the four basic elements D) Why all moving objects eventually stop moving
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) reaction force B) law of universal gravitation C) orbit D) inertia
A) reaction force B) orbit C) Law of Gravitation D) action force E) inertia
A) action force B) inertia C) Reaction force D) orbit
A) acceleration B) momentum C) speed D) position E) velocity
A) the speed of that object B) position of that object C) velocity of that object D) acceleration of that object E) momentum of that object
A) speed B) velocity C) acceleration D) momentum E) position
A) acceleration B) momentum C) velocity D) speed E) position
A) a ball thrown into the air always falls back toward Earth B) a spacecraft can travel in space for thousands of years C) a pole can be knocked down when a moving car hits it D) trucks slow down when they are travelling uphill
A) a wedge and a pulley B) A screw and a wedge C) a pulley and a screw D) a lever and a wedge
A) friction B) a machine C) a magnet D) speed
A) a force B) a current C) a machine D) a power
A) friction B) magnetism C) work D) power E) force |