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