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