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