The torque on a planet about the centre of sun is

Question

The torque on a planet about the centre of sun is (A) Zero (B) Negative (C) Positive (D) Depend on mass of planet

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/b44e4f8717b40244ce74bbf099c43f65-.png" /> Force of gravity is acting on the planet, Torque of force of gravity = vecr × vecFg=r Fg sin θ Since θ=180°, τ=0

Q. The torque on a planet about the centre of sun is

Zero

Negative

Positive

Depend on mass of planet

Force of gravity is acting on the planet,
Torque of force of gravity $= r \times F_{g} = r F_{g} sin θ$
Since $θ = 18 0^{\circ}, τ = 0$

Q. The torque on a planet about the centre of sun is

Zero

Negative

Positive

Depend on mass of planet

Force of gravity is acting on the planet, Torque of force of gravity =r×Fg​=rFg​sinθ Since θ=180∘,τ=0

Force of gravity is acting on the planet,
Torque of force of gravity $= r \times F_{g} = r F_{g} sin θ$
Since $θ = 18 0^{\circ}, τ = 0$