Gr5 T3 | Wheels and Axles

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What is a wheel and axle?

• A single circular object

• Two connected circular objects of the same size

• Two connected circular objects of different sizes

• A lever used for lifting heavy objects

How does the larger wheel's radius in a wheel and axle system provide mechanical advantage?

• It decreases the force applied to the axle.

• It multiplies the force applied to the axle or the distance the wheel moves.

• It reduces the speed of rotation.

• It changes the direction of the force.

Which of the following devices uses a wheel and axle to turn an axle with less effort?

• A rolling pin

• A bicycle pedal

• A car's steering wheel

• A water faucet

In which of these applications does the wheel and axle primarily multiply the wheel's distance?

• A hand drill

• A doorknob

• A rolling pin

• A car's steering wheel