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