Question
What is the work done by a force when the angle θ is 90
degrees?Solution
When the force is perpendicular to the direction of displacement, the work done is zero, as there is no component of the force in the direction of motion.
Electrical fuse is used to interrupt excess of _________.
Which of the following statements best describes the relationship between static friction and the normal force?
Which Nobel Gas is also known as ‘Stranger Gas’?
The S.I. unit of the electric flux is
What type of image is always formed by a convex mirror?
The motion of a freely falling body is an example of ______________ accelerated motion.
Which of the following Instrument is used to measure humidity?
The Atom Bomb dropped in Nagasaki is an uncontrolled nuclear fission made up of:
The instrument which uses sound waves to measure the depth of oceans is –
Mercalli scale is the instrument used for measuring the intensity of ___________.
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