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