A body of mass $5\,kg$ is suspended by a spring balance on an inclined plane as shown in figure. (in $N$)
A body of mass $5\,kg$ is suspended by a spring balance on an inclined plane as shown in figure. (in $N$)
- [AIIMS 2018]
- A
$50$
- B
$25$
- C
$500$
- D
$10$
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$(a)$ a drop of rain falling down with a constant speed,
$(b)$ a cork of mass $10\; g$ floating on water,
$(c)$ a kite skillfully held stationary in the sky,
$(d)$ a car moving with a constant velocity of $30\; km/h$ on a rough road,
$(e)$ a high-speed electron in space far from all material objects, and free of electric and magnetic fields.
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