Question

Which is used to load heavy barrels and sacks on to trucks

Answer 1

Answer:

Inclined plane:

We might have seen labourers are pushing up heavy boxes ar barrels along an inclined wooden plank placed from the deck of a truck to the ground. This is called Inclined plane. We use such inclined plane to lift scooters or motorbikes from road to an elevated floor of our house.

Explanation:

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