Understanding Forces and Energy

The video tutorial introduces students to the concepts of force and energy, explaining their relationship and how they work together. It covers different types of forces, including contact forces like friction and tension, and non-contact forces such as gravitational and magnetic forces. The lesson aims to help students understand how forces are applied in everyday life and the role of energy in these processes.

What is the ability to make things happen, often referred to as?

• Force

• Energy

• Power

• Motion

How is the relationship between force and energy best described?

• Energy is used when a force moves an object over a distance

• Energy is a type of force

• Force and energy are unrelated

• Force is the ability to do work

Which of the following is NOT a type of contact force?

• Tension force

• Gravitational force

• Normal force

• Frictional force

What type of force is experienced when two surfaces move across each other?

• Tension force

• Normal force

• Frictional force

• Magnetic force

Which force is responsible for the attraction between two masses?

• Electrical force

• Gravitational force

• Magnetic force

• Tension force

What happens when two like charges are brought close to each other?

• They repel each other

• They remain neutral

• They create a magnetic field

• They attract each other

Which force is described as the effect exerted by a magnetic field on a moving charge?

• Normal force

• Electrical force

• Gravitational force

• Magnetic force

What is the force that acts upon an object as it travels through the air?

• Spring force

• Air resistance force

• Tension force

• Normal force

Which force is exerted by a compressed or stretched spring?

• Frictional force

• Spring force

• Tension force

• Normal force

What is the term for forces that do not require physical contact to act?

• Contact forces

• Non-contact forces

• Normal forces

• Applied forces