Physics · 2013
NEET 2013 · 18 May · Code Y · Q129
Vectors A, B and C are such that A · B =0 and A · C =0 Then the vector parallel to A is:
Vectors $\displaystyle \vec{A}, \vec{B}$ and $\displaystyle \vec{C}$ are such that
$\displaystyle \vec{A} \cdot \vec{B}=0$ and $\displaystyle \vec{A} \cdot \vec{C}=0$
Then the vector parallel to $\displaystyle \vec{A}$ is :
Official answer
(1)
$\displaystyle \vec{B} \times \vec{C}$
All Systems of Particles and Rotational Motion questionsPractice Systems of Particles and Rotational Motion →
More from Systems of Particles and Rotational Motion
- A circular disk of moment of inertia I_t is rotating in a horizontal plane, about its symmetry axis, with a constant angular speed ω_i. Another disk…2010
- Three objects, A: (a solid sphere), B: (a thin circular disk) and C: (a circular ring), each have the same mass M and radius R. They all spin with…2018
- Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boat is 3.0 m and weighs 100 kg. The 55 kg…2012
- A thin circular ring of mass M and radius r is rotating about its axis with constant angular velocity ω. Two objects each of mass m are attached…2010
- A light rod of length l has two masses m_1 and m_2 attached to its two ends. The moment of inertia of the system about an axis perpendicular to the…2016
- The instantaneous angular position of a point on a rotating wheel is given by the equation θ(t)=2 t^3-6 t^2 The torque on the wheel becomes zero at:2011
- A force F=α i+3 j+6 k is acting at a point r=2 i-6 j-12 k. The value of α for which angular momentum about origin is conserved is:2015
- A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same. Which of the…2018
NEET (UG) 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.