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