A) gravitation B) force C) magnetism D) work E) friction
A) force B) friction C) magnetism D) work E) gravitation
A) force B) magnetism C) gravitation D) work E) friction
A) force B) magnetism C) unbalanced forces D) balanced forces E) work
A) force B) gravitation C) net force D) work E) power
A) force B) friction C) net force D) work E) power
A) work B) power C) balanced forces D) unbalanced forces E) friction
A) gravity B) friction 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 movement in all directions B) an equal and opposite reaction C) a greater force pushing on it D) a force sending it backward
A) its momentum changes B) its frame of reference changes C) its mass and velocity changes D) Its position changes
A) The movement of objects on Earth and in space B) Why all moving objects eventually stop moving C) how frame of reference influences movement 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) orbit B) reaction force C) inertia D) law of universal gravitation
A) Law of Gravitation B) inertia C) orbit D) reaction force E) action force
A) inertia B) Reaction force C) action force D) orbit
A) velocity B) speed C) position D) momentum E) acceleration
A) acceleration of that object B) position of that object C) the speed of that object D) momentum of that object E) velocity of that object
A) velocity B) momentum C) position D) speed E) acceleration
A) momentum B) acceleration C) velocity D) speed E) position
A) a pole can be knocked down when a moving car hits it B) a ball thrown into the air always falls back toward Earth C) a spacecraft can travel in space for thousands of years D) trucks slow down when they are travelling uphill
A) a pulley and a screw B) a wedge and a pulley C) a lever and a wedge D) A screw and a wedge
A) speed B) a magnet C) friction D) a machine
A) a machine B) a power C) a current D) a force
A) magnetism B) friction C) force D) work E) power |