7/4 Engineering and Manufacturing Objectives

Acceleration is the rate of change of ________.

• velocity

• mass

• temperature

• pressure

What are the two fundamental principles mentioned in the passage that aid in solving mechanical problems?

• Principle of Leverage and Principle of Inertia

• Principle of Dynamics and Principle of Statics

• Principle of Energy Conservation and Principle of Work

• Principle of Motion and Principle of Rest

In a collision between two bodies, what is the relationship between the momentum lost by one body and the momentum gained by the other?

• The momentum lost by one body is equal to the momentum gained by the other.

• The momentum lost by one body is greater than the momentum gained by the other.

• The momentum lost by one body is less than the momentum gained by the other.

• There is no relationship between the momentum lost and gained.

What can energy be?

• Created

• Destroyed

• Transferred

• All of the above.

Fill in the blank: Energy cannot be created or ________.

• destroyed

• transferred

• increased

• reduced

What happens to the gravitational potential energy of an object falling from a crane?

• It is destroyed

• It is transferred into kinetic energy

• It remains the same

• It is transferred into sound energy.