Question: Why do objects slow down when there is nothing pushing them?

Observe: Use the Gizmo to explore the question above. Try different objects and surfaces. Each time, turn the fan Off while the cart is moving. (You may find it helpful to pause the Gizmo with the Pause ( ) button, turn the fan off, and then click Play to restart.) 2. Form hypothesis: What causes an object to slow down after no longer being pushed

An object slows down after being pushed due to the energy within the object being used up in doing work against frictional forces between the object and the floor, and work done again viscosity forces between the air molecule and the surface area of the object in contact with the air molecule.

This is in accordance with Newton's first law of motion which states that an object in Motion or rest will continue in that state unless being acted upon by an external force.

Some of the energy is seen to be transformed into heat and sound by these forces forcing the object to slow down and stop if no longer pushed

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.