A) gravitation B) friction C) force D) magnetism E) work
A) gravitation B) work C) friction D) magnetism E) force
A) gravitation B) work C) magnetism D) friction E) force
A) unbalanced forces B) force C) balanced forces D) work E) magnetism
A) power B) net force C) work D) force E) gravitation
A) net force B) friction C) force D) power E) work
A) power B) work C) balanced forces D) friction E) unbalanced forces
A) friction B) newton C) gravity D) magnetism
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 force sending it backward B) a greater force pushing on it C) a movement in all directions D) an equal and opposite reaction
A) Its position changes B) its mass and velocity changes C) its frame of reference changes D) its momentum 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) friction can be overcome for all objects B) People in a car move forward in their seats when the car stops quickly 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) reaction force C) inertia D) orbit
A) action force B) Law of Gravitation C) orbit D) reaction force E) inertia
A) action force B) inertia C) orbit D) Reaction force
A) speed B) velocity C) momentum D) acceleration E) position
A) the speed of that object B) position of that object C) momentum of that object D) velocity of that object E) acceleration of that object
A) velocity B) position C) speed D) acceleration E) momentum
A) acceleration B) position C) velocity D) momentum E) speed
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 pulley and a screw B) A screw and a wedge C) a wedge and a pulley D) a lever and a wedge
A) a machine B) speed C) a magnet D) friction
A) a force B) a machine C) a current D) a power
A) magnetism B) friction C) work D) power E) force |