A) friction B) force C) magnetism D) gravitation E) work
A) friction B) work C) gravitation D) force E) magnetism
A) gravitation B) force C) work D) magnetism E) friction
A) work B) magnetism C) force D) unbalanced forces E) balanced forces
A) work B) net force C) power D) force E) gravitation
A) work B) force C) net force D) friction E) power
A) balanced forces B) work C) unbalanced forces D) power E) friction
A) magnetism B) newton C) friction D) gravity
A) a nearby star acts on it B) an outside force acts on it C) it is placed on a flat surface D) it continues in a straight line
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 position changes B) its momentum changes C) its frame of reference changes D) its mass and velocity 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) People in a car move forward in their seats when the car stops quickly 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) friction can be overcome for all objects
A) inertia B) law of universal gravitation C) reaction force D) orbit
A) reaction force B) Law of Gravitation C) action force D) orbit E) inertia
A) action force B) inertia C) orbit D) Reaction force
A) momentum B) velocity C) position D) acceleration E) speed
A) acceleration of that object B) position of that object C) velocity of that object D) momentum of that object E) the speed of that object
A) velocity B) momentum C) position D) acceleration E) speed
A) position B) speed C) velocity D) acceleration E) momentum
A) trucks slow down when they are travelling uphill 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) a ball thrown into the air always falls back toward Earth
A) a wedge and a pulley B) a pulley and a screw C) A screw and a wedge D) a lever and a wedge
A) a magnet B) friction C) a machine D) speed
A) a machine B) a current C) a force D) a power
A) friction B) force C) magnetism D) work E) power |