Wrenches

What are these?

• Pliers

• Open End Wrenches

• Box End Wrenches

• Hex Wrenches

What is the primary function of a wrench in mechanical applications?

• To tighten or loosen nuts and bolts

• To measure the length of objects

• To cut through metal surfaces

• To weld metal parts together

Which type of wrench is specifically designed to provide a grip and mechanical advantage in applying torque to turn objects?

• Pipe wrench

• Hammer

• Screwdriver

• Pliers

In physics, which principle explains the mechanical advantage provided by a wrench?

• Leverage

• Buoyancy

• Thermodynamics

• Electromagnetism

What is the unit of measurement for torque, which is often applied using a wrench?

• Newton-meter

• Joule

• Pascal

• Watt

Which material is commonly used to manufacture wrenches due to its strength and durability?

• Steel

• Plastic

• Wood

• Glass

In a scientific experiment, a wrench is used to apply a force of 50 N at a distance of 0.3 meters from the pivot point. What is the torque applied?

• 15 Nm

• 150 Nm

• 0.15 Nm

• 1.5 Nm

Which type of wrench is adjustable and can be used for different sizes of nuts and bolts?

• Adjustable wrench

• Allen wrench

• Socket wrench

• Box-end wrench

What is the effect of increasing the length of a wrench handle on the torque applied?

• Increases torque

• Decreases torque

• No effect on torque

• Reverses torque direction

In a real-world application, why is it important to use the correct size of wrench for a specific nut or bolt?

• To prevent damage to the nut or bolt

• To increase the speed of rotation

• To reduce the weight of the tool

• To enhance the color of the tool