WORK AND ENERGY

What is work?

• Work is said to be done when a force (push or pull) applied to an object causes a displacement of the object.

• The force which causes things to drop to the ground.

• Quantity that designates how fast and in what direction a point is moving.

• A type of music

Energy is __________.

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Two Major Forms of Energy ________

• Kinetic and Potential
• Solar and Wind
• Electric and Magnetic
• Chemical and Nuclear

Kinetic Energy is ________.

• The energy of motion
• The energy of rest
• The energy of light
• The energy of heat

Which of the following pictures shows kinetic energy?

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What is the meaning of kinetic?

• Related to motion
• Related to light
• Related to sound
• Related to heat

Which of the following pictures shows potentiial energy?

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What is potential energy?

• The energy of an object due to its motion
• The energy that a piece of matter has because of its temperature
• The energy stored by an object as a result of its vertical position or height
• The energy of an object due to its shape

Forms of energy _______.

• can only be created
• can be destroyed
• can neither be created nor destroyed
• can be both created and destroyed

Which of the followiing pictures shows mechanical energy?

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