A) magnetism B) work C) friction D) force E) gravitation
A) force B) magnetism C) gravitation D) work E) friction
A) work B) friction C) magnetism D) gravitation E) force
A) force B) unbalanced forces C) balanced forces D) work E) magnetism
A) net force B) force C) power D) gravitation E) work
A) power B) force C) net force D) friction E) work
A) unbalanced forces B) work C) balanced forces D) friction E) power
A) magnetism B) gravity C) newton D) friction
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) a movement in all directions C) an equal and opposite reaction D) a greater force pushing on it
A) its momentum changes B) Its position changes C) its mass and velocity 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) Why all moving objects eventually stop moving D) how frame of reference influences movement
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) inertia B) law of universal gravitation C) reaction force D) orbit
A) reaction force B) orbit C) inertia D) Law of Gravitation E) action force
A) Reaction force B) inertia C) action force D) orbit
A) acceleration B) position C) speed D) velocity E) momentum
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) position B) momentum C) velocity D) acceleration E) speed
A) momentum B) velocity C) position D) acceleration E) speed
A) trucks slow down when they are travelling uphill B) a pole can be knocked down when a moving car hits it 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) a machine B) a magnet C) friction D) speed
A) a power B) a machine C) a current D) a force
A) force B) magnetism C) power D) friction E) work |