A truck moves at a steady speed on a horizontal road. What is the work done by the road on the truck?

Negative work is done on the truck.

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No work is done on the truck.

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Not defined as the truck is non- living object.

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Positive work is done on the truck.

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Solution

The correct option is B
No work is done on the truck.

The work is zero because while the truck does have a displacement over time, the force of the road (the normal force) is perpendicular and so the dot product of the two is zero.

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A truck moves at a steady speed on a horizontal road. What is the work done by the road on the truck?

The correct option is B No work is done on the truck. The work is zero because while the truck does have a displacement over time, the force of the road (the normal force) is perpendicular and so the dot product of the two is zero.

The correct option is B
No work is done on the truck.

The work is zero because while the truck does have a displacement over time, the force of the road (the normal force) is perpendicular and so the dot product of the two is zero.