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