Wheel and axle

Which is the correct definition of wheel and axle?

• Wheel and axle is a device which helps to lift weights easily.

• Wheel and axle consists of load, fulcrum and effort.

• Wheel and axle is a wheel attached to a rod called axle through its center.

Which is the correct example of force being applied to the wheel which then rotates the axle?

• Screwdriver

• Bicycle

Which is the correct example of force being applied to the axle which then rotates the wheel?

• Windmill

• Ferris wheel

Which is the correct example of force being applied to the wheel which then rotates the axle?

• Door knob

• Analog clock

Which is the correct example of force being applied to the axle which then rotates the wheel?

• Steering wheel in a car

• Ceiling fan

______________ use wheel axle which helps us to travel from one place to another faster.

• cars

• human legs

• ice skating shoes

_________________ in shopping malls use wheel axle which helps buyers to carry groceries from one place to another.

• shopping bags

• shopping carts

Which of the following is an example of wheel and axle being used?

• 
• 

Which of the following is an example of wheel and axle being used?

• 
• 

A wheel and axle is used to move things and to change the power, ________ and direction of movement.

• size

• speed

• transportation