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A short chain is sometimes attached to the back of a petrol tanker to?

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Question 28

A short chain is sometimes attached to the back of a petrol tanker to?

A

generate more friction

B

ensure the balancing of the tanker

C

caution the driver when overspeeding

D

conduct excess charges to the car

Explanation

Share Answer The friction between the tanker and air creates charges which the chain conducts to the ground.

Correct option: D

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