A) magnetism B) work C) gravitation D) force E) friction
A) gravitation B) magnetism C) friction D) work E) force
A) gravitation B) friction C) force D) work E) magnetism
A) balanced forces B) force C) magnetism D) work E) unbalanced forces
A) work B) force C) gravitation D) power E) net force
A) work B) friction C) force D) power E) net force
A) work B) unbalanced forces C) power D) balanced forces E) friction
A) newton B) gravity C) magnetism D) friction
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) an equal and opposite reaction B) a greater force pushing on it C) a movement in all directions 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 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) 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) orbit B) inertia C) law of universal gravitation D) reaction force
A) Law of Gravitation B) action force C) inertia D) orbit E) reaction force
A) orbit B) Reaction force C) action force D) inertia
A) position B) acceleration C) momentum D) velocity E) speed
A) velocity of that object B) acceleration of that object C) position of that object D) the speed of that object E) momentum of that object
A) acceleration B) momentum C) speed D) velocity E) position
A) speed B) acceleration C) velocity D) momentum E) position
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 pulley and a screw B) a lever and a wedge C) a wedge and a pulley D) A screw and a wedge
A) a magnet B) friction C) a machine D) speed
A) a force B) a machine C) a current D) a power
A) power B) work C) force D) magnetism E) friction |