A) force B) work C) friction D) gravitation E) magnetism
A) magnetism B) friction C) gravitation D) force E) work
A) force B) magnetism C) gravitation D) work E) friction
A) balanced forces B) force C) magnetism D) unbalanced forces E) work
A) power B) work C) gravitation D) net force E) force
A) work B) friction C) power D) force E) net force
A) power B) work C) balanced forces D) friction E) unbalanced forces
A) magnetism B) gravity C) newton D) friction
A) an outside force acts on it B) it continues in a straight line C) it is placed on a flat surface D) a nearby star acts on it
A) a greater force pushing on it B) an equal and opposite reaction C) a force sending it backward D) a movement in all directions
A) its mass and velocity changes B) its frame of reference changes C) Its position changes D) its momentum changes
A) The movement of objects on Earth and in space B) Why all moving objects eventually stop moving C) how frame of reference influences movement D) the relationship between the four basic elements
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) law of universal gravitation B) orbit C) reaction force D) inertia
A) Law of Gravitation B) inertia C) reaction force D) orbit E) action force
A) inertia B) action force C) Reaction force D) orbit
A) position B) speed C) velocity D) acceleration E) momentum
A) velocity of that object B) the speed of that object C) acceleration of that object D) position of that object E) momentum of that object
A) position B) speed C) velocity D) acceleration E) momentum
A) position B) speed C) momentum D) velocity E) acceleration
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 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) work B) force C) friction D) magnetism E) power |