Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
A car weighing 150 kg is on a slope that makes an angle 60o with the horizontal. What will be the component of car’s weight parallel to the slope? (g = 10 )
750√ 3N
1000 N
15000 N
20000 N
Arrange the following fundamental forces in the order of their Relative strength.
Gravitational Force < Weak nuclear Force <Electromagnetic Force < Strong nuclear Force
Weak nuclear Force <Electromagnetic Force < Strong nuclear Force <Gravitational Force.
Electromagnetic Force < Weak nuclear Force <Gravitational Force <Strong nuclear Force.
Weak nuclear Force <Gravitational Force <Strong nuclear Force <Electromagnetic Force.
A boy measured the length of a rod and recorded it as 3.50 cm. Which instrument did he use to measure it?
A meter scale.
A Vernier caliper where the 10 division in Vernier scale matches with the 9 division in the main scale division and main scale has 10 divisions in 1 cm.
A screw gauge having 100 divisions in the circular scale and pitch as 1mm.
A screw gauge has 50 divisions in the circular scale and pitch is 1mm.
What will be the tangential component of the acceleration in a uniform circular motion ?
Zero
Infinite
Some value greater than zero
there’s no tangential component in uniform circular motion
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