## Questions and Answers

What is the definition of energy according to the study guide?

Energy as the ability to do work or cause a change

Which type of energy is characterized by being stored due to position or state?

Potential Energy

What does the Law of Conservation of Energy state?

Energy cannot be created or destroyed, only transformed

In which scenario does an object have kinetic energy?

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What represents energy of motion?

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Which principle states that energy cannot be created or destroyed, only transformed?

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What is the significance of distance vs. time graphs in understanding motion?

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In the context of forces, what defines balanced forces?

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How are unbalanced forces described in terms of their effect on motion?

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What is the formula representing Newton's Second Law of Motion?

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How can distance vs. time graphs be used to identify periods of rest?

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What distinguishes a push from a pull in the context of forces?

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According to Newton's First Law of Motion, what will happen to an object at rest?

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Which quantity is measured in Newtons (N) according to Newton's Second Law of Motion?

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What is the mathematical formulation of Newton's Second Law of Motion?

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Which concept explains the tendency of an object to resist changes in its state of motion?

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What is the rate of change of velocity measured in according to Newton's Second Law of Motion?

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According to Newton's Third Law of Motion, how do action and reaction forces act?

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What happens to acceleration when the force applied to an object increases?

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How do forces occur according to Newton's Third Law of Motion?

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## Study Notes

### Energy and Motion

- Energy is defined as the ability to do work.
- Potential energy is characterized by being stored due to position or state.
- The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.
- Kinetic energy is the energy of motion, and an object has kinetic energy when it is in motion.
- Kinetic energy represents the energy of motion.

### Forces and Newton's Laws

- Balanced forces are forces that result in no net force acting on an object, resulting in no change in motion.
- Unbalanced forces result in a change in motion, either speeding up, slowing down, or changing direction.
- Newton's Second Law of Motion is represented by the formula F = ma, where F is the net force acting on an object, m is the mass of the object, and a is the acceleration of the object.
- According to Newton's First Law of Motion, an object at rest will remain at rest, and an object in motion will continue to move with a constant velocity, unless acted upon by an external force.
- The force of an object is measured in Newtons (N) according to Newton's Second Law of Motion.
- The mathematical formulation of Newton's Second Law of Motion is F = ma.
- Inertia is the concept that explains the tendency of an object to resist changes in its state of motion.
- The rate of change of velocity is measured in meters per second squared (m/s²) according to Newton's Second Law of Motion.
- According to Newton's Third Law of Motion, action and reaction forces act equally and oppositely on two interacting objects.
- When the force applied to an object increases, acceleration increases.
- Forces occur in pairs, according to Newton's Third Law of Motion, with one force being the action and the other force being the reaction.
- Distance vs. time graphs can be used to identify periods of rest, where the graph is a horizontal line.

### Forces and Motion

- A push is a force applied away from the body, while a pull is a force applied towards the body.
- Distance vs. time graphs can be used to understand motion by showing the relationship between distance and time.

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## Description

Prepare for your upcoming Physical Science exam on Force and Motion with this comprehensive study guide covering lessons 1-6, including topics like straight line motion, interaction with force and mass, gravity, Newton’s Laws, potential & kinetic energy. Make sure to review all Discovery packets and Doodle Notes for each lesson.