Forces and Motion
This happens when a force is applied to an object.
What is a change in motion or shape?
Increasing this before a collision increases the impact force.
What is speed?
This form of energy is associated with the motion of an object and differs from stored energy.
What is kinetic energy?
This type of deformation occurs when an object changes shape but returns to its original form.
What is temporary deformation?
In a car crash, increasing this property of the car leads to more damage.
What is speed?
This affects the direction of an object's motion when a force is applied.
What is the direction of the force?
When two objects of the same mass and speed collide, these forces are experienced by both objects.
What are equal and opposite forces?
Doubling the mass of an object has this effect on its kinetic energy.
What is "doubles"?
This property of an object determines whether it returns to its original shape after a collision.
What is the elastic limit?
This happens to the temperature of surfaces when friction occurs between them.
What is it increases?
This force opposes the motion of an object moving through air.
What is air resistance?
When the speed of an object is doubled, this happens to the damage in a collision.
What is the damage increases significantly?
If the speed of an object is doubled, this happens to its kinetic energy.
What is "quadruples"?
When a collision exceeds an object's elastic limit, this happens to its shape.
What is permanent deformation?
Energy can change into these forms after a collision.
What are sound, heat, and deformation?
This is the force that opposes the motion of objects when two surfaces come in contact.
What is friction?
This condition is necessary for an object to experience permanent deformation in a collision.
What is exceeding the elastic limit?
When the speed of an object is tripled, this is how its kinetic energy changes.
What is it increases ninefold?
These factors influence how an object’s shape might change during a collision.
What are force and material strength?
These features in cars help reduce forces during a collision by absorbing impact.
What are airbags?
Increasing this property of an object increases the forces during a collision.
What is mass?
These factors determine whether an object bends, breaks, or stays the same during a collision.
What are material strength, force of the collision, and shape of the object?
During a collision, energy is transferred between objects and may take these forms.
What are sound, heat, and deformation?
An object experiences permanent deformation when this occurs.
What is exceeding the elastic limit?
Engineers design buildings with this knowledge to make them safer during natural disasters.
What is knowledge of forces and how to distribute them?