A) gravitation B) work C) magnetism D) force E) friction
A) friction B) work C) magnetism D) force E) gravitation
A) gravitation B) magnetism C) work D) force E) friction
A) magnetism B) unbalanced forces C) balanced forces D) force E) work
A) gravitation B) work C) force D) power E) net force
A) friction B) power C) net force D) force E) work
A) balanced forces B) power C) friction D) work E) unbalanced forces
A) newton B) gravity C) friction D) magnetism
A) it continues in a straight line B) it is placed on a flat surface C) an outside force acts on it D) a nearby star acts on it
A) a greater force pushing on it B) a movement in all directions C) an equal and opposite reaction D) a force sending it backward
A) Its position changes B) its momentum changes C) its frame of reference changes D) its mass and velocity changes
A) Why all moving objects eventually stop moving B) how frame of reference influences movement C) the relationship between the four basic elements D) The movement of objects on Earth and in space
A) People in a car move forward in their seats when the car stops quickly B) friction can be overcome for all objects 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) law of universal gravitation B) inertia C) orbit D) reaction force
A) reaction force B) orbit C) action force D) inertia E) Law of Gravitation
A) orbit B) Reaction force C) action force D) inertia
A) velocity B) position C) acceleration D) speed 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) position B) speed C) velocity D) momentum E) acceleration
A) momentum B) velocity C) acceleration D) speed E) position
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 wedge and a pulley B) a pulley and a screw C) a lever and a wedge D) A screw and a wedge
A) speed B) a magnet C) a machine D) friction
A) a power B) a current C) a force D) a machine
A) work B) magnetism C) force D) friction E) power |