Force F(y)=20+10y N acts on a particle moving in y-direction. Calculate work as it moves from y=0 to y=1 m.
Options

Question

Force F(y)=20+10y N acts on a particle moving in y-direction. Calculate work as it moves from y=0 to y=1 m.

G1 Physics · Accepted Answer

Step 1 — Principle: For a position-dependent force, calculate work by integrating force along displacement: W = ∫F dx. Step 2 — Working: W=∫₀¹(20+10y)dy=[20y+5y²]₀¹=20+5=25 J. Correct answer: B — 25 J.