Semester 2 Exam Review Physical Science

If a book is resting upon a surface, then the surface is exerting an upward force upon the book in order to support the weight of the book. What is this upward force?

• Normal Force
• Gravity
• Frictional Force
• Applied Force

Which of the following is not a type of friction?

• Static
• Rolling
• Fluid
• All of the Above are Types of Friction

Unbalanced forces cause motion.

• True
• False

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Who devleoped the 3 Laws of Motion?

• Isaac Newton
• Galileo Galilei
• René Descartes
• Blaise Pascal

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The __________ is the SI unit of energy.

• joule
• ampere
• volt
• watt

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The law of conservation of energy states that ________________.

• energy is not created or destroyed and does not change forms.
• energy cannot be created or destroyed, but can change from one form to another
• when energy is transformed, the total energy is less after it changes
• energy can be created and destroyed but can not change form

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Energy stored in an object due to its position is known as _______.

• Thermal energy
• Kinetic energy
• Potential energy
• Radiant energy

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Kinetic energy is ______________.

• The energy of a moving object.
• Energy stored within an object.
• Energy that is responsible for the temperature.
• The energy we retrieve from only electrical outlets.

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The combination of potential and kinetic energy is known as ________.

• complete energy
• thermal energy
• mechanical energy
• energy maximum

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What is energy?

• the ability to do work
• the ability to cause change to itself or its environment
• none of the above
• all of the above

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