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