A) force B) magnetism C) gravitation D) work E) friction
A) magnetism B) force C) work D) gravitation E) friction
A) magnetism B) force C) friction D) work E) gravitation
A) balanced forces B) unbalanced forces C) magnetism D) work E) force
A) power B) gravitation C) force D) work E) net force
A) force B) power C) work D) net force E) friction
A) power B) unbalanced forces C) work D) balanced forces E) friction
A) magnetism B) newton C) gravity D) friction
A) it is placed on a flat surface B) an outside force acts on it C) a nearby star acts on it D) it continues in a straight line
A) a greater force pushing on it B) a movement in all directions C) a force sending it backward D) an equal and opposite reaction
A) its momentum changes B) its mass and velocity changes C) its frame of reference changes D) Its position 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) People in a car move forward in their seats when the car stops quickly B) gravitational forces are stronger on Earth than on the moon or other satellites C) the ground pushes against your feet when you run D) friction can be overcome for all objects
A) orbit B) reaction force C) law of universal gravitation D) inertia
A) reaction force B) action force C) inertia D) orbit E) Law of Gravitation
A) Reaction force B) action force C) inertia D) orbit
A) acceleration B) momentum C) speed D) position E) velocity
A) the speed of that object B) momentum of that object C) velocity of that object D) position of that object E) acceleration of that object
A) momentum B) position C) speed D) velocity E) acceleration
A) position B) speed C) acceleration D) momentum E) velocity
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 pulley and a screw B) a lever and a wedge C) a wedge and a pulley D) A screw and a wedge
A) friction B) a magnet C) a machine D) speed
A) a machine B) a current C) a force D) a power
A) magnetism B) force C) power D) work E) friction |