Is this statement true or false?

In the formula for work using vectors, where θ represent angle between force and displacement vectors.

What is the work done by a constant force of 10 N acting on an object that doesn't move?

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When the force and displacement vectors are parallel and in the same direction, then the angle (θ) between them is _______.

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In the SI unit system, the unit of work is _______.

Is this statement true or false?

If the force and displacement vectors are perpendicular to each other, the angle (θ) between them is 90°.

If an object is pulled horizontally with a force of 50 N and it moves a distance of 8 meters horizontally, how much work is done?

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A force of 20 N is applied to an object that moves 5 meters in the direction of the force. The work done is _______.

If the angle between the force and displacement vectors is 60°, how much of the force contributes to the work done?

What is the work done if a force of 15 N is applied at an angle of 30° to the direction of displacement of 10 meters?

When does work have a negative value in the context of vectors?