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Displacement of COM:Application

the propellin...

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the propelling force of a rocket increases uniformly from 0 to 5 Newton in the first 12 m and remains constant for the next 40 metre find the total work done?

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F = (2 x + 3 x^{2}) N

acts on a particle in

x -

direction, where

F

is in Newton and

x

is in metre. Find the work done by this force for the displacement from

x = 0 m

x = 3 m

.

Q. Three constant force

_{1} = 2^i - 3^j + 2^k,_{2} =^i +^j -^k

_{3} =^j - 2^k

in newton act on a particle The particle can only move,from

(1, - 1, 2)

(- 1, - 1, 3)

(2, 2, 0)

(displacement being measured in metre ). Find the total work done by the forces

F = 0.5 x = 10

acts on a particle. Here F is in Newton and x is in metre. Calculate the work done during the displacement of the particle from

x = 0 t o x = 2

F = (10 + 0.5 x)

acts on a particle in the

x

direction, where

F

newton

x

metre

. Find the work done by this force during the displacement from

x = 0

x = 2.0 m

Q. A block is constrained to move along x-axis under a force

F = \frac{4}{x^{2}} (x \neq 0) .

Here, F is in newton and x in metre. Find the work done by this force when the block is displaced from x=4 m to x=2 m.

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Displacement of COM:Application

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