Which situation involves a non-contact force causing a change in the direction of an object's motion?

One situation that involves a non-contact force causing a change in the direction of an object's motion is when a magnetic force acts on a moving charged particle.

Here are the steps involved:

1. Step 1: Understand the concept of non-contact forces: Non-contact forces are forces that act on an object without any physical contact between the objects. These forces can affect an object's motion without actually touching it.

2. Step 2: Identify the force involved: In this specific situation, we are considering a magnetic force. A magnetic force is a non-contact force that arises due to the interaction between magnetic fields.

3. Step 3: Consider a moving charged particle: To have a change in the direction of an object's motion due to a magnetic force, we need to have a moving charged particle. When a charged particle, such as an electron, proton, or ion, moves in the presence of a magnetic field, it experiences a force perpendicular to both its velocity and the magnetic field.

4. Step 4: Understand the direction of the magnetic force: The direction of the magnetic force on a moving charged particle depends on the magnetic field's direction and the velocity of the charged particle. According to the right-hand rule, if you point your right thumb in the direction of the charged particle's velocity, and your fingers in the direction of the magnetic field, the force is perpendicular to both and points in a direction perpendicular to their plane.

5. Step 5: Observe the change in the object's motion: As the magnetic force acts on the moving charged particle, it causes a change in the object's motion. The force will exert a sideways (perpendicular) force on the charged particle, resulting in a curved or circular path instead of a straight-line motion.

Therefore, in the presence of a magnetic field, a non-contact magnetic force can cause a change in the direction of an object's motion, specifically a moving charged particle.

The situation that involves a non-contact force causing a change in the direction of an object's motion is the interaction between magnetic fields and moving charged particles. This phenomenon is known as the magnetic force.

To understand this situation, let's break it down step by step:

1. First, we need to recognize that a non-contact force occurs when two objects do not have to be in physical contact for a force to be exerted. In the case of the magnetic force, it can act on an object without any physical contact.

2. Now, let's consider the motion of an object that contains charged particles, such as an electron or a proton. When this object moves through a magnetic field, it experiences a force called the magnetic force.

3. The magnetic force depends on two factors: the charge of the particle and its velocity. The force exerted on the particle is perpendicular to both the magnetic field and the particle's velocity.

4. The direction of the magnetic force can be determined using the right-hand rule. If you point the thumb of your right hand in the direction of the particle's velocity and your fingers in the direction of the magnetic field, then the force will act perpendicular to both the thumb and the fingers.

5. Due to the perpendicular nature of the magnetic force, it causes a change in the direction of the object's motion rather than its speed. The force causes the charged particles to follow a curved path, resulting in a change in the object's direction of motion.

To summarize, the situation involving a non-contact force causing a change in the direction of an object's motion is when charged particles, such as electrons or protons, interact with magnetic fields. The magnetic force acting on these charged particles causes them to change direction, leading to a change in the object's overall motion.