Processing math: 100%

Home / Aptitude Tests / Physics / If a load of mass 10...

If a load of mass 10N stretched a cord by 1.2cm, what is ...

If a load of mass 10N stretched a cord by 1.2cm, what is the total work done?

A.

6.0 x 10^-2J

B.

7.6 x 10^-2J

C.

1.8 x 10^-2J

D.

6.6 x 10^-2J

View answer & explanation

Correct answer is A

Work done on a stretched cord
= Average force x extension
= $\frac{1 \times 10 \times 0.012}{2}$
= 6.0 x 10 $^{-2}$ J

See all Physics questions & answers

See more JAMB questions & answers

Similar Questions

When an elastic material is stretched by a force, the energy stored in it is ...

Momentum and Kinetic energy are conserved in ...

In an experiment to determine terminal velocity, as the pressure increases, the viscosity off a liqu...

Find the work done in moving a 2 C charge between two points X and Y in an electric field if the pot...

Totally reflecting prisms are preferred to mirrors in periscopes because I. mirror givegive multi...

Which of the following correctly describes the energy changes in the generation of light by a hydroe...

If the kinetic energy of an electron is 100 eV, what is the wavelength of the de-Broglie wave associ...

Which of the following statements is not correct about steel and soft iron? ...

Which of the following statements is not correct for a light ray passing through a rectangular glass...

If a radioactive atom emits a beta particle, Its mass number ...

Aptitude Tests

Personality Test

Typing Speed and Accuracy Test

Nigeria General Knowledge Questions and Answers

Puzzles Questions and Answers

Numerical Reasoning Questions and Answers

Spatial Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Situational Judgement Questions and Answers

Data Interpretation Questions and Answers

Microsoft Office Questions and Answers

Quantitative Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

View latest jobs in Nigeria today