POE: Unit 1 Review

Front

Identify the simple machine that is represented by a firefighter using an axe to split a door.

Back

Wedge

Front

What simple machine is an axle with an inclined plane wrapped around it?

Back

Screw

Front

What is Mechanical Advantage (MA) in terms of force?

Back

The ratio of the magnitude of the resistance to the effort forces

Front

What does Mechanical Advantage (MA) allow designers to manipulate?

Back

Speed, distance, force, and function

Front

Mechanical Advantage (MA) is also defined as the ratio of which of the following distances?
Distance traveled by the effort and the speed of the resistance force
Distance traveled by the effort and the resistance force
Distance traveled by the function and the effort force
Distance traveled by the speed and the resistance force

Back

Distance traveled by the effort and the resistance force

Front

What does a mechanical advantage of 4:1 indicate about the effort force compared to the resistance force?

Back

The effort force magnitude is 4 times less than the resistance force.

Front

If a mechanism has a mechanical advantage of 4:1, how does the distance traveled by the effort force compare to the distance traveled by the resistance force?

Back

The effort force travels 4 times greater distance than the resistance force.

Front

Which of the following statements is true regarding Mechanical Advantage (MA)?
MA can be less than zero
MA can be equal to zero
MA can never be less than or equal to zero
MA is always equal to one

Back

MA can never be less than or equal to zero

Front

What does IMA stand for in the context of mechanical systems?

Back

Ideal Mechanical Advantage

Front

Which of the following is NOT considered when calculating the Ideal Mechanical Advantage (IMA)?
Distance traveled by effort
Distance traveled by resistance
Ratio of distances

Back

Friction loss