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