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