A) friction B) force C) magnetism D) work E) gravitation
A) force B) work C) magnetism D) friction E) gravitation
A) friction B) work C) magnetism D) force E) gravitation
A) magnetism B) work C) force D) balanced forces E) unbalanced forces
A) work B) power C) gravitation D) net force E) force
A) friction B) force C) work D) net force E) power
A) power B) unbalanced forces C) balanced forces D) friction E) work
A) newton B) gravity C) magnetism D) friction
A) a nearby star acts on it B) an outside force acts on it C) it continues in a straight line D) it is placed on a flat surface
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 momentum changes B) its frame of reference changes C) Its position changes D) its mass and velocity changes
A) the relationship between the four basic elements B) how frame of reference influences movement C) The movement of objects on Earth and in space D) Why all moving objects eventually stop moving
A) People in a car move forward in their seats when the car stops quickly B) the ground pushes against your feet when you run C) friction can be overcome for all objects D) gravitational forces are stronger on Earth than on the moon or other satellites
A) orbit B) reaction force C) law of universal gravitation D) inertia
A) orbit B) reaction force C) action force D) Law of Gravitation E) inertia
A) action force B) orbit C) Reaction force D) inertia
A) acceleration B) speed C) position D) momentum E) velocity
A) the speed of that object B) position of that object C) velocity of that object D) momentum of that object E) acceleration of that object
A) position B) speed C) acceleration D) momentum E) velocity
A) speed B) velocity C) momentum D) position E) acceleration
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 lever and a wedge B) A screw and a wedge C) a wedge and a pulley D) a pulley and a screw
A) speed B) a machine C) a magnet D) friction
A) a machine B) a current C) a force D) a power
A) work B) magnetism C) force D) friction E) power |