Rotating Wheels

Which of the following works because of precession

• Gyroscopes

• Bicycles

• Cars

• Skateboards

Which one of the following effects helps to keep a wheel upright when rolling?

• Inertia

• Centrifugal Force

• Friction

• Precession

What is Inertia?

• a change in the orientation of the rotational axis of a spinning (rotating) object.

• The ability of an object to resist a change in motion

• An apparent outward force on a mass, during circular motion

Which one makes use of centrifugal force to function?

• Gyroscope

• Bicycle

• Car

• Car Seat belt

Rotational motion (spinning) of an object helps to keep the object upright and stable. For example a spinning top. This is an example of ?

• Precession

• Inertia

• Centrifugal Force

For a turntable, we want the system to be as stable as possible, to do this we want to produce the maximum amount of inertia through rotational motion, where should we concentrate the mass to maximize the inertia?

• Center

• Rim of the wheel

• Doesn't matter

Centrifugal force is ?

• The tendency for an object in motion to stay in motion (resist slowing down).

• Centrifugal force is the apparent outward force on a mass when it is rotated (during circular motion).

• The ability for a spinning object to remain balanced and resist change to its axis of rotation

During a sharp left turn, centrifugal force applies an outward force (effort) on the passenger, making us move to the _____.

• Right

• Left

• Forward

• Backwards

Which one would have the greater inertia ?

• A 1 kg bag of feather ?

• A 10 kg model car