Physics MCQs

Page No. 42

A body in equilibrium__________________?


a Always at rest


b Always in uniform motion


cMay be at rest or in uniform motion


dMay be at rest or in motion



Torque acting on a body determines_______________?


aAcceleration


bLinear acceleration


cAngular acceleration


dDirection of motion of the body


View Answer Angular acceleration

SI unit of torque is______________?


aN.m


b joule


cBoth a and b are correct


d Neither a nor b is correct


View Answer N.m

The dimension of torque is______________?


a[ML2T-2]


b[MLT-2]


c[ML2T]


d [ML-2T-2]


View Answer [ML2T-2]

Torque is defined as______________?


aTurning effect of force


bCross product of position vector and force


cProduct of force and moment arm


dAll A, B and C are correct



The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?


a 30°


b45°


c60°


d180°


View Answer 45°

An angle between two vectors A and B can be determined by_____________?


a Their dot product


bTheir cross product


cHead to tail rule


dRight-hand rule


View Answer Their dot product

Which one is a unit vector ?


a??3 i^ + ??3 j^ + ??3 k^


b1/??3 i^ + 1/??3 j^ +1/ ??3 k^


c??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^


d Both B and C are correct



Null vector is a vector which has________________?


aZero magnitude


bNo specified direction


cBoth A and B are correct


dBoth A and B are not correct



If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?


aWest


bNorth


cDown


dUp


View Answer Down

Goto Page No.

Page 42 of 75

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan