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