Which situation describes a non-contact force acting on an object?(1 point)
Responses
a person pouring water out of a pitcher
a person pouring water out of a pitcher
a person picking up a textbook
a person picking up a textbook
a person cutting an apple with an apple slicer
a person cutting an apple with an apple slicer
a person closing a door
a person closing a door does not describe a non-contact force.
The correct answer is: a person picking up a textbook. When a person picks up a textbook, they do not have to physically touch the textbook in order to lift it. The force of gravity acting on the textbook is an example of a non-contact force.
Ah, I think gravity made the water fall.
The correct response is: a person pouring water out of a pitcher.
The situation that describes a non-contact force acting on an object is "a person closing a door".
To determine this, you need to understand the concept of contact and non-contact forces. Contact forces are physical forces that require direct contact between the objects involved. For example, when a person pours water out of a pitcher or picks up a textbook, they need to physically interact with the objects.
On the other hand, non-contact forces are forces that can act at a distance without any physical contact. Closing a door involves the force of gravity acting on the door. You don't need to directly touch the door to close it; instead, you exert the force on the handle or knob, and the force is transmitted to the door through the hinges. Therefore, closing a door represents a non-contact force acting on an object.