Module 2 Lesson 1: Kinetic Energy

Front

What is kinetic energy?

Back

Kinetic energy is the energy that an object possesses due to its motion, calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

Front

How does speed affect kinetic energy?

Back

The kinetic energy increases by the square of the same factor as the speed increase.

Front

What happens to kinetic energy when mass increases?

Back

The kinetic energy increases by the same factor as the mass increase.

Front

Does decreasing mass increase kinetic energy?

Back

No, as mass decreases, kinetic energy decreases.

Front

What is the relationship between mass and kinetic energy?

Back

Kinetic energy is directly proportional to mass; as mass increases, kinetic energy increases.

Front

What is the formula for calculating kinetic energy?

Back

The formula for kinetic energy is KE = 1/2 mv².

Front

Can a stationary object have kinetic energy?

Back

No, a stationary object has zero kinetic energy because its velocity is zero.

Front

What is an example of an object with kinetic energy?

Back

A moving car is an example of an object with kinetic energy.

Front

How does doubling the speed of an object affect its kinetic energy?

Back

Doubling the speed of an object increases its kinetic energy by a factor of four.

Front

What factors affect kinetic energy?

Back

Kinetic energy is affected by the mass of the object and its velocity.