Pivots used with Mechanisms

What is a pivot in the context of mechanical systems?

• A type of lubricant used in engines

• A fixed point around which parts of a mechanism rotate or oscillate

• A tool used for tightening bolts

• A measurement unit for torque

Which of the following is a common example of a pivot used in everyday mechanisms?

• The hinge on a door

• The wheels on a car

• The handle of a screwdriver

• The electric motor in a fan

In mechanical terms, what role does a pivot play in a lever system?

• It increases the force applied

• It transfers electrical energy

• It serves as the point of support where the lever rotates

• It connects two levers together

Which of the following scenarios involves a pivot?

• Turning a key in a lock

• Pushing a cart

• Heating water in a kettle

• Lighting a bulb

What type of simple machine incorporates a pivot as an essential component?

• Inclined plane

• Wheel and axle

• Pulley

• Lever

What is the formula to calculate work done by a force?