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 particle of mass 0.3 kg is subjected to a force of F = – kx with k = 15 Nm⁻¹ . What will be its initial acceleration if it is released from a point 20 cm away from the origin?
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As F = ma so F = – kx = ma
a= -kx/m
for x = 20 cm, ⇒ a = – 10 m/s²