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