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