Since cos90°=0, the formula W=Fscosθ gives W=Fs×0=0. Hence the net work done is zero when force is perpendicular to displacement.
CUET UG 2022 — General Test General Knowledge
In the formula "W = Fs cos θ", the angle between force and displacement (θ) is equal to 90°, the net work done will be:
Held on 17 Aug 2022 · Verified 13 Jul 2026.
Double
Positive but not double
Negative
Zero
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