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QAIPMT-2008-Ph-2254: NEET 2008 Physics - Class 11 AIPMT-2008-Ph-2254 Solution: Three forces acting on a body are shown in the figure. To have…
Three forces acting on a body are shown in the figure. To have the resultant force only along the y-direction the magnitude of the minimum additional force needed is 0.5 N 1.5 N
Multiple Choice Options
- A 2 M v _ newton
- B zero
- C M v newton
- D 2 M v newton
Step-by-Step Verified Solution
F = d d t ( M v ) = v d M d t + M d v d t
As v is a constant,
F = v d M d t
But d M d t = M k g / s
_ To keep the conveyer belt moving at v m/s,
force needed = vM newton.