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