A) gravitation B) magnetism C) force D) friction E) work
A) work B) force C) magnetism D) gravitation E) friction
A) magnetism B) gravitation C) force D) work E) friction
A) unbalanced forces B) magnetism C) work D) balanced forces E) force
A) power B) gravitation C) force D) work E) net force
A) friction B) force C) net force D) work E) power
A) unbalanced forces B) balanced forces C) work D) power E) friction
A) gravity B) newton C) magnetism D) friction
A) it continues in a straight line B) an outside force acts on it C) a nearby star acts on it D) it is placed on a flat surface
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 position changes B) its frame of reference changes C) its mass and velocity changes D) its momentum 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) the ground pushes against your feet when you run 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) friction can be overcome for all objects
A) orbit B) reaction force C) law of universal gravitation D) inertia
A) Law of Gravitation B) orbit C) action force D) reaction force E) inertia
A) orbit B) Reaction force C) action force D) inertia
A) velocity B) position C) speed D) acceleration E) momentum
A) momentum of that object B) the speed of that object C) acceleration of that object D) position of that object E) velocity of that object
A) position B) speed C) velocity D) momentum E) acceleration
A) velocity B) speed C) momentum D) acceleration E) position
A) a ball thrown into the air always falls back toward Earth B) a pole can be knocked down when a moving car hits it C) trucks slow down when they are travelling uphill D) a spacecraft can travel in space for thousands of years
A) A screw and a wedge B) a lever and a wedge C) a wedge and a pulley D) a pulley and a screw
A) speed B) a magnet C) friction D) a machine
A) a machine B) a power C) a force D) a current
A) magnetism B) power C) friction D) force E) work |