Question
Can a vector have zero component along a line and still have nonzero magnitude?

Answer

Yes, any vector has zero component along the direction perpendicular to it. Like, A vector along x-axis has zero component along Y-axis.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Water is flowing in a pipe of uneuqal cross-section at the place where the radius of the pipe is 1 cm whereas the velocity of water is 10 $cm / sec$. At any other place where the radius of the pipe is 2 cm then find the velocity of water.
A gas is enclosed in a cylindrical vessel fitted with a frictionless piston. The gas is slowly heated for some time. During the process, $10\ J$ of heat is supplied and the piston is found to move out $10\ cm$ . Find the increase in the internal energy of the gas. The area of cross section of the cylinder $=4 \mathrm{~cm}^2$ and the atmospheric pressure $=100 \mathrm{kPa}$.
A block of mass m moving at a speed v compresses a spring through a distance x before its speed is halved. Find the spring constant of the spring.
If a refrigerator’s door is kept open, will the room become cool or hot? Explain.
Why are soldiers marching in unison asked to break up step (walk like a normal person) while crossing the bridge?
A convex lens of diameter 8.0cm is used to focus a parallel beam of light of wavelength 620nm. If the light be focused at a distance of 20cm from the lens, what would be the radius of the central bright spot formed?
The speed time graph for a car is shown in Fig.
  1. Find how far does the car travel in the first $4$ seconds. Shade the area on the graph that represents the distance travelled by the car during the period.
  2. Which part of the graph represents uniform motion of the car?
Prove that the energy required to break a large drop of radius $R$ into n smaller drops of radius $r$ is $4 \pi T\left(r^2 n- R ^2\right)$. Where $T$ is the surface tension.
Answer the following: You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?
An optical fibre $(\mu=1.72)$ is surrounded by a glass coating $(\mu=1.50).$ Find the critical angle for total internal/ reflection at the fibre-glass interface.