The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP

⇦

⇨

The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP up from the engine to the rear wheels.The torque developed by the engine is

Options

(a) 16.58 Nm
(b) 0.022 Nm
(c) 158.31 Nm
(d) 141.6 Nm

Correct Answer:

158.31 Nm

Explanation:

P = τω ⇒ τ = P/ω Given:- P = 80 HP = 80 x 746W = 59860 Nms⁻¹ ω = 3600 rpm = (3600/60) x 2π rad s⁻¹ = 120 π rad s⁻¹ τ = 59680/(120xπ) =158.31 Nm

Related Questions:

1. A nucleus of mass number 220, initially at rest, emits an α-particle. If the Q-value
2. A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
3. The pressure at the bottom of a tank containing a liquid does not depend on
4. A ball rolls without slipping. The raidus of gyration of the ball about an axis
5. Volume of gas becomes four times if temperature becomes

Topics: Motion in Plane (93)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends