Table of Contents
What can cause kinetic energy to change into thermal energy?
Chapter 4 Study Guide
| Question | Answer |
|---|---|
| _____ can cause kinetic energy to change into thermal energy. | Friction |
| Green plants convert light energy from the sun into _____. | chemical potential energy |
| The mechanical energy of a coconut falling from a tree ____. | remains constant |
How do you convert kinetic energy to thermal energy?
J=kg*m2/s2.
What two factors affect kinetic energy?
Explain that there are two factors that affect how much kinetic energy a moving object will have: mass and speed.
How is kinetic energy transformed into thermal energy using friction?
Friction braking is the most commonly used braking method in modern vehicles. It involves the conversion of kinetic energy to thermal energy by applying friction to the moving parts of a system. The friction force resists motion and in turn generates heat, eventually bringing the velocity to zero.
What is thermal and kinetic energy?
Boiling a kettle is an example of both thermal and kinetic energy. Thermal energy comes from a substance whose molecules and atoms are vibrating faster due to a rise in temperature. Kinetic energy is the energy of a moving object. As thermal energy comes from moving particles, it is a form of kinetic energy.
What factor contributes to kinetic energy of a body in motion?
1 Answer. Kinetic energy of a body depends on its mass and its speed. Hence, ,kinetic energy will become 4 times the original kinetic energy if the speed is doubled.
Which factors cause kinetic energy to increase?
It turns out that an object’s kinetic energy increases as the square of its speed. A car moving 40 mph has four times as much kinetic energy as one moving 20 mph, while at 60 mph a car carries nine times as much kinetic energy as at 20 mph. Thus a modest increase in speed can cause a large increase in kinetic energy.
What does friction causes kinetic energy to be converted into?
Friction is a force that opposes motion. When friction acts between two surfaces that are moving over each other, some kinetic energy is transformed into heat energy.
Is kinetic energy equal to thermal energy?
Yes, you could say that thermal energy is a form of kinetic energy. You get thermal energy from the movement of the particles, and kinetic energy is the energy of movement.