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