Question

A particle moves along x Axis from x=0 to x=4 .under the influence of work of force given by the force (f) =( 5-3x+2x^2)N .calculate work done by the force.

Answer 1

Answer:

454756903575768354

Explanation:

6779

Answer 2

Answer:

The work done in moving the particle from x=0 to x=5 is given by,

W=∫dW=∫Fdx

W=∫

0

5

(3x

2

−2x+7)

On integrating

W=[

3

3x

3

−

2

2x

2

+7x]

0

5

W=[5

3

−5

2

+7×5]−0

W=125−25+35

W=135J

Explanation:

699