What is force? Identify several of the forces that are acting on or around you.

Short Answer

Expert verified
Force is a push or a pull that acts upon an object due to its interaction with another object. It has both magnitude and direction, making it a vector quantity. Examples of forces acting on us in everyday situations include: 1. Gravitational Force: The force that pulls objects downward towards the Earth's center, giving them weight and keeping them from floating away. 2. Tension Force: The force exerted by a rope, string, or other flexible objects when pulled or stretched. 3. Friction Force: The force that opposes the relative motion of two surfaces in contact, such as when walking on a floor or moving an object across a surface. 4. Normal Force: A force that acts perpendicular to the contact surface between two objects, such as the upward force acting on your feet while standing on the ground. 5. Air Resistance: A force that opposes the motion of an object moving through the air, like when you ride a bicycle at high speeds and feel the resistance pushing back against you.

Step by step solution

01

Definition of Force

Force is a push or a pull that acts upon an object as a result of its interaction with another object. Force has both magnitude and direction, making it a vector quantity. In physics, force is usually represented by the symbol F and can be calculated using Newton's second law of motion: F = m*a, where m is the mass of the object and a is its acceleration.
02

Example 1: Gravitational Force

Gravitational force is the force with which every object in the universe attracts every other object due to their masses. On Earth, the gravitational force pulls objects downward towards its center, causing them to fall or have weight. So when you're standing on the ground or sitting in a chair, gravitational force is acting on you, keeping you from floating away.
03

Example 2: Tension Force

Tension force is the force exerted by a rope, string, or any other flexible object when it is stretched, pulled, or held taut. When you pull a rope or when you carry a heavy bag with a strap, tension force is acting on the objects through the connecting points.
04

Example 3: Friction Force

Friction force is the force that opposes the relative motion of two surfaces that are in contact with each other. When you walk on a floor, the force between your foot and the floor is friction. Friction prevents you from slipping and helps you move forward. Friction also acts on objects when they are moved across surfaces, slowing them down over time.
05

Example 4: Normal Force

Normal force is a force that acts perpendicular to the contact surface between two objects. For example, when you stand on the ground, the normal force acts upwards on your feet, balancing the downward gravitational force you experience, and preventing you from sinking into the ground.
06

Example 5: Air Resistance

Air resistance is a force that opposes the motion of an object moving through air. It is a type of friction force that acts in the opposite direction of motion. For example, when you ride a bicycle at high speeds, you'll feel the air resistance pushing you back, making it harder to continue at the same speed.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Study anywhere. Anytime. Across all devices.

Sign-up for free