The work done in pulling up a block of wood weighing $2 k N$ through a distance length of $10 m$ on a smooth plane inclined at an angle of $15^{o}$ with the horizontal is
( $sin 15^{o} = 0.2588$ )

4.36 k J

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5.17 k J

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8.91 k J

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9.82 k J

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Solution

The correct option is B $5.17 k J$

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Similar questions

Q. The work done in pulling up a block of wood weighing

2 k N

for a length of

10 m

on a smooth plane inclined at an angle of

15^{o}

with the horizontal is:

The work done in pulling up a block of wood weighing 2kN for a length of 10 m on a smooth plane inclined at an angle of $15^{\circ}$ with the horizontal is $(s i n 15^{\circ} = 0.259)$

Q. How much is the work done in pulling up a block of wood weighing

2 k N

for a length of

10 m

on a smooth plane inclined at an angle of

30^{o}

with the horizontal?

Q. The work done in slowly pulling up a block of wood weighing 2kN for a length of 10m on a smooth plane inclined at an angle of

15^{\circ}

with the horizontal by a force parallel to the incline is :?

(s i n 15^{\circ} = 0.26, c o s 15^{\circ} = 0.96)

Q. The work done in slowly pulling up a block of wood weighing 2 kN for a length of 10m on a smooth plane inclined at an angle of

15^{\circ}

with the horizontal by a force parallel to the incline is:

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The work done in pulling up a block of wood weighing 2kN through a distance length of 10m on a smooth plane inclined at an angle of 15o with the horizontal is (sin15o=0.2588)

The correct option is B 5.17kJ

The work done in pulling up a block of wood weighing $2 k N$ through a distance length of $10 m$ on a smooth plane inclined at an angle of $15^{o}$ with the horizontal is
( $sin 15^{o} = 0.2588$ )

The correct option is B $5.17 k J$