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