You can('t) touch this
A force that requires two objects to touch in order to occur.
The force between solid surfaces that resists motion.
What is friction?
The type of friction that acts between the wheels on a cart and the sidewalk.
What is rolling friction?
This is defined as a push or a pull.
What is a force?
How many kids do Mr. and Mrs. Crawford have?
The two main types of forces?
What are contact and noncontact forces.
A force that resists an object's motion through air.
What is air resistance?
The type of friction force exerted when a bookshelf rubs or is dragged against the floor.
What is sliding friction?
The unit of measure for force.
What is Newtons?
How many feet does a scream travel in space?
what is zero- space is a vacuum, atmosphere is needed for sound.
This is a force that acts on an object without touching it.
What is noncontact force
The specific force, a type of friction, that causes a rolling office chair to eventually stop.
What is rolling friction?
The type of friction force that occurs when objects do not move.
What is static friction?
This non-contact force holds the Moon in orbit around the Earth.
What is gravity?
How tall is Mrs Crawford?
What is 5' 3" and 3/4"
Of magnetism, gravity, electrostatic, or friction, this is the one NOT considered a force that acts at a distance.
What is friction?
A rough surface with slower motion will produce this.
What is more friction?
This means resisting force in both liquids and gases.
What is fluid friction?
The reason why objects weigh different amounts on Earth versus other planets.
What is the mass of the planet?
If you were traveling 120km an hour, then sat still in the car for 3 more hours, followed by and then walked at a speed of 3km an hour for another hour in the opposite direction, how many km are you from your original location?
What is 117km from the original location.
This is why a magnet can pick up metal spheres without physically touching them.
What is a non-contact force that can act at a distance?
This upward force slows down a parachute.
What is air resistance?
A baseball player skids on the ground as he dives into a base, which is an example of this type of friction.
What is sliding friction?
This does not change, regardless of whether you are on Earth or on Neptune.
What is mass?
What is the capital of New York?
What is Albany.