Why is work negative?

Related questions

• What is a force?
• What are some examples of work?
• What are some examples of displacement?
• How are force, energy, and work are related?
• How can I calculate the displacement of an object?
• How are work and kinetic energy related?
• How do you calculate the displacement of water?
• How do you calculate the force of gravity between two objects?
• 55,000J of work is done to move a rock 25m. How much force was applied?
• How can I calculate the amount of work done when moving a 567N crate a distance of 20 meters?