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Equilibrium Of A Body 9

Test Description: We are going to find out the condition of equilibrium of a solid body under two forces

Instructions: Answer all questions to get your test result.

1) principal of interaction acts on:

ANone of the above choices BTwo bodies A B CThree bodies A,B and C Done body A

2) Tension is a force of type:

AFriction force BActing from a distance CContact force DGravitational force

3) Weight is a force of gravity and its type

AAll of the choices. BActing from a distance CFrictional Force DContact force

4) The unit of a force is

AMeter BNewton CLiter DKilogram

5) Spring balance uses to measure

ADensity of the body BMass of a body CVolume of the body Dweight of the body

6) At equilibrium the two forces acting on a body rests on a smooth table:

AAll choices BHave same magnitude CHave same line of action DHave opposite directions

7) When a body is suspended to the hook of a spring then it is under the effect of:

AWeight of the body and thetension of the spring BNone of the above choices CTension of the spring DWeight of the body

8) Hook’s law states:

ATension is inversely proportional to elongations inversely BTension is directly proportional to length CTension is directly proportional to elongation DTension is inversely proportional to length

9) T = K ∆l is Hook’s law where K is:

AElongation of the spring BTension in the spring CStiffness constant DLength of the spring

10) The curve Characterizes the variation of T as a function of ∆l:

ADescending straight line Bstraight line passing through the origin CAll choices DAscending straight line

*select an answer for all questions

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