A body constrained to move in z-direction is subjected to a force given by -i-10-j-5-kN-What is the work done by this force in moving the body through a distance of 5m along z-axis-

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Intro to Torque

A body constr...

Question

A body constrained to move in z-direction is subjected to a force given by $(\to i - 10 \to j + 5 \to k) N$ .What is the work done by this force in moving the body through a distance of $5 m$ along z-axis?

15 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- 15 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- 50 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

25 J

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $25 J$
Work done =F.S(at work done is a scalar quantity so we consider dot product)
$F . s =^i - 10^j + 5^k . (0^I + 0^J + 5^k)$ (as the body is moving along Z-direction
$= 0 + 0 + 25$
W=25J

Suggest Corrections

Similar questions

Q. A body constrained to move in

z

direction is subjected to a force given by

\to F = (3^i - 10^j + 5^k) N .

What is the work done by this force in moving the body through a distance of

5 m

along

z -

axis?

A body, constrained to move in Y-direction is subjected to a force F = (– 2i + 15j + 6k)N. What is the work done by this force in moving the body through a distance of 10 m along the Y-axis?

Q. A body constrained to move in

z

direction is subjected to a force given by

\to F = (3^i - 10^j + 5^k) N .

What is the work done by this force in moving the body through a distance of

5 m

along

z -

axis?

Q. A body, constrained to move in y-direction, is subjected to a force given by

\to F = (- 2^i + 15^j + 6^k) N

. The work done by the force in moving the body through a distance of

10 \to j

m along y-axis is

Q. A body constrained to move in

y

direction is subjected to force given by

\to F = (- 2 \to i + 15 \to j + 6 \to k) N

. What is the work done by this force, in moving the body through a distance of

10 m

along y-axis?

Join BYJU'S Learning Program

A body constrained to move in z-direction is subjected to a force given by (→i−10→j+5→k)N.What is the work done by this force in moving the body through a distance of 5m along z-axis?

The correct option is D 25JWork done =F.S(at work done is a scalar quantity so we consider dot product)F.s=^i−10^j+5^k.(0^I+0^J+5^k) (as the body is moving along Z-direction=0+0+25W=25J

A body constrained to move in z-direction is subjected to a force given by $(\to i - 10 \to j + 5 \to k) N$ .What is the work done by this force in moving the body through a distance of $5 m$ along z-axis?

The correct option is D $25 J$
Work done =F.S(at work done is a scalar quantity so we consider dot product)
$F . s =^i - 10^j + 5^k . (0^I + 0^J + 5^k)$ (as the body is moving along Z-direction
$= 0 + 0 + 25$
W=25J