NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3
Important Board Questions
Newton’s law of motion and friction
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Two Marks Questions
A force of 36 dynes is inclined to the horizontal at an angle of 60°. Find the acceleration in a mass of 18 g that moves in a horizontal direction.
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F = 36 dyne at an angle of 60°
Fₓ = F cos 60° = 18 dyne
Fₓ = maₓ
So aₓ = Fₓ/m = 1 cm/s²
F=36 dyne at an angle of 60°
Fx = F cos 60° =18 dyne
Fx = max
So ax=Fx/m = 1 cm/s²