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