A particle is acted upon by two constant forces and

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A particle is acted upon by two constant forces F⃗1=(3i^+4j^) N\vec F_1=(3\hat i+4\hat j)\,\text{N} and F⃗2=(−1i^+2j^) N\vec F_2=(-1\hat i+2\hat j)\,\text{N}. It moves through a displacement s⃗=5i^ m\vec s=5\hat i\,\text{m}. What is the net work done on the particle? (a) 10 J10\,\text{J} (b) 15 J15\,\text{J} (c) 20 J20\,\text{J} (d) 32 J32\,\text{J}

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