A) force B) work C) friction D) gravitation E) magnetism
A) friction B) magnetism C) work D) force E) gravitation
A) magnetism B) force C) friction D) work E) gravitation
A) unbalanced forces B) magnetism C) force D) work E) balanced forces
A) power B) force C) gravitation D) net force E) work
A) work B) friction C) power D) net force E) force
A) work B) unbalanced forces C) power D) balanced forces E) friction
A) gravity B) newton C) magnetism D) friction
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 force sending it backward B) a movement in all directions C) an equal and opposite reaction 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) the relationship between the four basic elements B) The movement of objects on Earth and in space C) how frame of reference influences movement 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) reaction force B) orbit C) law of universal gravitation D) inertia
A) action force B) inertia C) reaction force D) orbit E) Law of Gravitation
A) orbit B) inertia C) Reaction force D) action force
A) velocity B) position C) speed D) momentum E) acceleration
A) the speed of that object B) velocity of that object C) momentum of that object D) position of that object E) acceleration of that object
A) position B) speed C) acceleration D) velocity E) momentum
A) velocity B) momentum C) acceleration D) position E) speed
A) a pole can be knocked down when a moving car hits it B) trucks slow down when they are travelling uphill 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 screw and a wedge D) a pulley and a screw
A) a machine B) friction C) speed D) a magnet
A) a power B) a force C) a machine D) a current
A) magnetism B) friction C) power D) force E) work |