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