A) magnetism B) gravitation C) force D) work E) friction
A) work B) magnetism C) gravitation D) friction E) force
A) force B) work C) friction D) gravitation E) magnetism
A) work B) unbalanced forces C) balanced forces D) magnetism E) force
A) gravitation B) work C) force D) power E) net force
A) work B) net force C) power D) force E) friction
A) work B) balanced forces C) unbalanced forces D) power E) friction
A) friction B) magnetism C) gravity D) newton
A) it is placed on a flat surface B) an outside force acts on it C) it continues in a straight line D) a nearby star acts on it
A) an equal and opposite reaction B) a force sending it backward C) a greater force pushing on it D) a movement in all directions
A) its mass and velocity changes B) its momentum changes C) Its position changes D) its frame of reference 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) inertia B) reaction force C) law of universal gravitation D) orbit
A) orbit B) action force C) Law of Gravitation D) reaction force E) inertia
A) Reaction force B) orbit C) action force D) inertia
A) acceleration B) velocity C) position D) momentum E) speed
A) velocity of that object B) position of that object C) acceleration of that object D) the speed of that object E) momentum of that object
A) momentum B) speed C) velocity D) position E) acceleration
A) position B) acceleration C) velocity D) speed E) momentum
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 pulley and a screw B) a lever and a wedge C) a wedge and a pulley D) A screw and a wedge
A) a magnet B) friction C) speed D) a machine
A) a force B) a power C) a current D) a machine
A) power B) friction C) force D) magnetism E) work |