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