Below are the answers key for the Multiple Choice Questions in Engineering Mechanics Part 6.

251. addition of the vector

252. particle

253. equilibrium equation for a particle

254. equilibrium equation in component form

255. equilibrium equation in component form

256. linear spring

257. frictionless pulley

258. newton’s 3rd law

259. composite bodies and external source

260. forces and couples of a free body

261. truss

262. a two force member

263. a three force member

264. method of joints

265. the method of sections

266. zero force member

267. a redundant joint

268. redundant members

269. mechanism

270. curved members

271. wedges

272. screw

273. self locking screw

274. area moment of inertia

275. parallel axis theorem

276. radius of gyration

277. inertial frame

278. euler’s law

279. linear momentum of particle

280. linear momentum of a body

281. angular momentum of a particle

282. angular velocity

283. angular acceleration

284. friction force

285. static friction

286. kinetic friction

287. pending motion

288. fracture mechanics

289. deformation mechanics

290. fluid mechanics

291. continuum mechanics

292. graphical condition

293. directional condition

294. analytical condition

295. hydraulics

296. parabolic cable

297. catenary

298. free vector

299. sliding vector

300. fixed vector

### Online Questions and Answers in Engineering Mechanics Series

Following is the list of practice exam test questions in this brand new series:

**Engineering Mechanics MCQs**

**MCQs from Number 1 – 50**Answer key:

**PART I**

**MCQs from Number 51 – 100**Answer key:

**PART II**

**MCQs from Number 101 – 150**Answer key:

**PART III**

**MCQs from Number 151 – 200**Answer key:

**PART IV**

**MCQs from Number 201 – 250**Answer key:

**PART V**

**MCQs from Number 251 – 300**Answer key:

**PART VI**

**MCQs from Number 301 – 350**Answer key:

**PART VII**

**MCQs from Number 351 – 400**Answer key:

**PART VIII**