What crime has Jack committed by being a passenger in a car he knows doesn't belong to his friend?

The correct answer pertains to Jack's situation under Section 178 (1) (b) of the Road Traffic Act 1988, which makes it an offense to be a passenger in a vehicle that is not insured. If Jack is aware that the car doesn't belong to his friend, it raises concerns about the legitimacy of the vehicle's use, particularly regarding insurance. The law is strict about ensuring that all users of vehicles have the proper coverage, and being in a car that does not belong to anyone in possession of valid insurance places Jack in violation of this section.

In contrast, theft of a vehicle would imply that Jack took the car without permission, which is not indicated just by being a passenger. Vehicle tampering generally refers to physical alterations or modifications done to a vehicle, which does not apply in this context. Driving without a license would require Jack to be operating the vehicle, rather than merely being a passenger, which means he is not committing that specific offense. Therefore, the violation related to being a passenger in an uninsured vehicle aligns best with the legislation cited in Section 178 (1) (b) of the Road Traffic Act 1988.