Question:

The work done by a body on the application of a constant force is the product of the constant force and the distance travelled by the body in the direction of the force. Express this in the form of a linear equation in two variables (work w and distance d), and draw its graph by taking the constant force as 3 units. What is the work done when the distance travelled is 2 units? Verify it by plotting it on the graph.

Answer: Verified

Linear equation: $w = 3d$

When $d = 2$ : $w = 3 \times 2 = 6$ units

Two points for plotting: $(0, 0)$ and $(2, 6)$ .
The graph is a straight line through the origin with slope $3$ .
Reading the graph at $d = 2$ gives $w = 6$ .

confirming the answer.

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