POE Q1 Exam 2025

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A simple gear train is composed of three gears. Gear A is the driver and has 8 teeth, gear B has 24 teeth, and gear C has 16 teeth. If the output is C, what is the gear ratio?

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A first class lever in static equilibrium has a 500 lb resistance force and 15 lb effort force. The lever's effort force is located 4 ft from the fulcrum. What is the actual mechanical advantage of the system?

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Match definitions with the appropriate answers.

Draggable item		Corresponding Item
A rigid bar used to exert pressure or sustain weight at one point of its length by the application of a force at a second and turning at a third on a fulcrum		Lever
Ratio of distance traveled by the applied effort and resistance force within a system.		Actual Mechanical Advantage
An external force applied to an object.		Ideal Mechanical Advantage
The ratio of the magnitude of the resistance and effort forces applied to a system.		Effort Force

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What is a Moment?

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What is the Actual Mechanical Advantage (AMA) of the inclined plane?

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Calculate the current at R2.

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Identify a non-renewable energy source.

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If a student lifts a 225.4N ball 1.202 m in 20 sec, how many joules of work did the student complete?

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What is Biomass?

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What is Geothermal Energy?

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When components are wired in a parallel circuit, what happens to the total resistance?

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What is Energy?

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Calculate the total resistance of the circuit.

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A machinist is using a 6 inch long wrench to tighten a 1/4 inch bolt. What is the moment (in foot-pounds) if he applies 175 pounds of force to the wrench?

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A cart is being pushed up an inclined plane. The vertical height of the inclined plane is 7 feet. The effort force required to push the cart up the inclined plane is 6.3 lb. The cart weighs a total of 15 1/3 lbs. What is the IMA? (Precision 0.00)

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What is the total current in the given in a simple circuit with 3 resistors (413 ohms, 1.3 kilo-ohms, and 0.513 kilo-ohms)?

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A wheel driven wheel and axle system will have a mechanical advantage...

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Calculate the ideal mechanical advantage of a given bolt with the thread notes of 5/16 24 NF. The distance from the center of the bolt to the end of the wrench being used to tighten the bolt is 1 foot and 1 inch.

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If mechanical advantage is greater than 1, proportionally _____ effort force is required to overcome the resistance force.

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If you are using a simple gear train to increase the speed of a vehicle, which gear should be attached to the wheel axle?

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What unit is constant in a series circuit?

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What is d2 if the bears are in static equilibrium?

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A motor running a winch system can lift a 3N load 6 meters in 60 seconds while running at an average of 9 volts and drawing 500 mA. What is the efficiency of the system?

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Calculate the ideal mechanical advantage of the lever shown.

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If you lift a weight 10 inches using a pulley system with 8 supporting strands, what length of rope (in inches) would you have to pull?

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Calculate the resistance force if the lever is in static equilibrium.

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Calculate the total gear ratio of the gear train if gear A is the driver.

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What is the IMA for the pulley shown?

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2

The electric winch is powered by an 18V battery. The winch lifts the weight shown a total of 13 meters and draws a total of 20 Amps. the weight is 210 Newtons. It takes a total of 17 seconds. What is the Power Out for the given scenario?

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POE Q1 Exam 2025

A simple gear train is composed of three gears. Gear A is the driver and has 8 teeth, gear B has 24 teeth, and gear C has 16 teeth. If the output is C, what is the gear ratio?

A first class lever in static equilibrium has a 500 lb resistance force and 15 lb effort force. The lever's effort force is located 4 ft from the fulcrum. What is the actual mechanical advantage of the system?

Match definitions with the appropriate answers.

What is a Moment?

What is the Actual Mechanical Advantage (AMA) of the inclined plane?

Calculate the current at R2.

Identify a non-renewable energy source.

If a student lifts a 225.4N ball 1.202 m in 20 sec, how many joules of work did the student complete?

What is Biomass?

What is Geothermal Energy?

When components are wired in a parallel circuit, what happens to the total resistance?

What is Energy?

Calculate the total resistance of the circuit.

A machinist is using a 6 inch long wrench to tighten a 1/4 inch bolt. What is the moment (in foot-pounds) if he applies 175 pounds of force to the wrench?

A cart is being pushed up an inclined plane. The vertical height of the inclined plane is 7 feet. The effort force required to push the cart up the inclined plane is 6.3 lb. The cart weighs a total of 15 1/3 lbs. What is the IMA? (Precision 0.00)

What is the total current in the given in a simple circuit with 3 resistors (413 ohms, 1.3 kilo-ohms, and 0.513 kilo-ohms)?

A wheel driven wheel and axle system will have a mechanical advantage...

Calculate the ideal mechanical advantage of a given bolt with the thread notes of 5/16 24 NF. The distance from the center of the bolt to the end of the wrench being used to tighten the bolt is 1 foot and 1 inch.

If mechanical advantage is greater than 1, proportionally _____ effort force is required to overcome the resistance force.

If you are using a simple gear train to increase the speed of a vehicle, which gear should be attached to the wheel axle?

What unit is constant in a series circuit?

What is d2 if the bears are in static equilibrium?

A motor running a winch system can lift a 3N load 6 meters in 60 seconds while running at an average of 9 volts and drawing 500 mA. What is the efficiency of the system?

Calculate the ideal mechanical advantage of the lever shown.

If you lift a weight 10 inches using a pulley system with 8 supporting strands, what length of rope (in inches) would you have to pull?

Calculate the resistance force if the lever is in static equilibrium.

Calculate the total gear ratio of the gear train if gear A is the driver.

What is the IMA for the pulley shown?

The electric winch is powered by an 18V battery. The winch lifts the weight shown a total of 13 meters and draws a total of 20 Amps. the weight is 210 Newtons. It takes a total of 17 seconds. What is the Power Out for the given scenario?

Which of the following best describes the work done by a constant force on an object?

A simple gear train is composed of three gears. Gear A is the driver and has 8 teeth, gear B has 24 teeth, and gear C has 16 teeth. If the output is C, what is the gear ratio?

A first class lever in static equilibrium has a 500 lb resistance force and 15 lb effort force. The lever's effort force is located 4 ft from the fulcrum. What is the actual mechanical advantage of the system?

Match definitions with the appropriate answers.

What is a Moment?

What is the Actual Mechanical Advantage (AMA) of the inclined plane?

Calculate the current at R2.

Identify a non-renewable energy source.

If a student lifts a 225.4N ball 1.202 m in 20 sec, how many joules of work did the student complete?

What is Biomass?

What is Geothermal Energy?

When components are wired in a parallel circuit, what happens to the total resistance?

What is Energy?

Calculate the total resistance of the circuit.

A machinist is using a 6 inch long wrench to tighten a 1/4 inch bolt. What is the moment (in foot-pounds) if he applies 175 pounds of force to the wrench?

A cart is being pushed up an inclined plane. The vertical height of the inclined plane is 7 feet. The effort force required to push the cart up the inclined plane is 6.3 lb. The cart weighs a total of 15 1/3 lbs. What is the IMA? (Precision 0.00)

What is the total current in the given in a simple circuit with 3 resistors (413 ohms, 1.3 kilo-ohms, and 0.513 kilo-ohms)?

A wheel driven wheel and axle system will have a mechanical advantage...

Calculate the ideal mechanical advantage of a given bolt with the thread notes of 5/16 24 NF. The distance from the center of the bolt to the end of the wrench being used to tighten the bolt is 1 foot and 1 inch.

If mechanical advantage is greater than 1, proportionally _____ effort force is required to overcome the resistance force.

If you are using a simple gear train to increase the speed of a vehicle, which gear should be attached to the wheel axle?

What unit is constant in a series circuit?

What is d2 if the bears are in static equilibrium?

A motor running a winch system can lift a 3N load 6 meters in 60 seconds while running at an average of 9 volts and drawing 500 mA. What is the efficiency of the system?

Calculate the ideal mechanical advantage of the lever shown.

If you lift a weight 10 inches using a pulley system with 8 supporting strands, what length of rope (in inches) would you have to pull?

Calculate the resistance force if the lever is in static equilibrium.

Calculate the total gear ratio of the gear train if gear A is the driver.

What is the IMA for the pulley shown?

The electric winch is powered by an 18V battery. The winch lifts the weight shown a total of 13 meters and draws a total of 20 Amps. the weight is 210 Newtons. It takes a total of 17 seconds. What is the Power Out for the given scenario?

Which of the following best describes the work done by a constant force on an object?