a block of mass 3kg is at rest o a rough 30° inclined plane . the magnitude of net force exerted by the surface om the block will be? A) 26N B)19.5N C)10N D) 30N... pllzzz solve this and answer me.. i want solution.. thnx plzz
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hello,
we know that force exerted on an inclined plain will be
F=mgcosθ
F=3×10×cos30°
F=30×√3/2
F=25.98N
F≈26N
therefore option A is correct
we know that force exerted on an inclined plain will be
F=mgcosθ
F=3×10×cos30°
F=30×√3/2
F=25.98N
F≈26N
therefore option A is correct
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