What is the least possible error encountered when taking measurement with a meter rule?
1.0 mm
0.5 mm
0.2 mm
0.1 mm
What happens when three coplanar non-parallel forces are in equilibrium
They are represented in magnitude only
They are represented in direction only
Their lines of action meet at a point
Their lines of action are parallel
The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle of 30° with the resultant, find its magnitude.
100.0N
57.7N
25.0N
43.3N
During a training session, two footballers pass a ball repeatedly between each other. The 'to and fro' motion of the ball is not simple harmonic because
I. acceleration of the ball is not directed towards a fixed pointII. restoring force a fixed pointIII. acceleration of the ball is not directly proportional to the displacement from a fixed point.Which of the statements above are correct?
I and III only
I and II only
II and III only
I, II and III
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