PREVIOUS EAMCET QUESTIONS
Laws of Motion

270297 A steel wire can withstand a load up to\(2940 \mathrm{~N}\). A load of \(150 \mathrm{~kg}\) is suspended from a rigid support. The maximum angle which the wire can be displaced from the mean position, so that the wire does not break when the load passes through the position of equilibrium is
(EAM - 2008)

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(80^{\circ}\)
4 \(85^{\circ}\)
Laws of Motion

270298 A car is travelling along a curved road of radius\(r\). If the coefficient of friction between the tyres and the road is \(\mu\), the car will skid if its speed exceeds
(2010M)

1 \(2 \sqrt{\mu r g}\)
2 \(\sqrt{3 \mu r g}\)
3 \(\sqrt{2 \mu r g}\)
4 \(\sqrt{\mu r g}\)
Laws of Motion

270299 A boy of mass\(50 \mathrm{~kg}\) is standing on a weighing machine placed on the floor of a lift. The machine reads his weight in newtons. The reading of the machine if the lift is moving upwards with uniform speed of \(10 \mathrm{~ms}^{-1}\)
(2009M)

1 \(510 \mathrm{~N}\)
2 \(480 \mathrm{~N}\)
3 \(490 \mathrm{~N}\)
4 \(500 \mathrm{~N}\)
Laws of Motion

270297 A steel wire can withstand a load up to\(2940 \mathrm{~N}\). A load of \(150 \mathrm{~kg}\) is suspended from a rigid support. The maximum angle which the wire can be displaced from the mean position, so that the wire does not break when the load passes through the position of equilibrium is
(EAM - 2008)

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(80^{\circ}\)
4 \(85^{\circ}\)
Laws of Motion

270298 A car is travelling along a curved road of radius\(r\). If the coefficient of friction between the tyres and the road is \(\mu\), the car will skid if its speed exceeds
(2010M)

1 \(2 \sqrt{\mu r g}\)
2 \(\sqrt{3 \mu r g}\)
3 \(\sqrt{2 \mu r g}\)
4 \(\sqrt{\mu r g}\)
Laws of Motion

270299 A boy of mass\(50 \mathrm{~kg}\) is standing on a weighing machine placed on the floor of a lift. The machine reads his weight in newtons. The reading of the machine if the lift is moving upwards with uniform speed of \(10 \mathrm{~ms}^{-1}\)
(2009M)

1 \(510 \mathrm{~N}\)
2 \(480 \mathrm{~N}\)
3 \(490 \mathrm{~N}\)
4 \(500 \mathrm{~N}\)
Laws of Motion

270297 A steel wire can withstand a load up to\(2940 \mathrm{~N}\). A load of \(150 \mathrm{~kg}\) is suspended from a rigid support. The maximum angle which the wire can be displaced from the mean position, so that the wire does not break when the load passes through the position of equilibrium is
(EAM - 2008)

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(80^{\circ}\)
4 \(85^{\circ}\)
Laws of Motion

270298 A car is travelling along a curved road of radius\(r\). If the coefficient of friction between the tyres and the road is \(\mu\), the car will skid if its speed exceeds
(2010M)

1 \(2 \sqrt{\mu r g}\)
2 \(\sqrt{3 \mu r g}\)
3 \(\sqrt{2 \mu r g}\)
4 \(\sqrt{\mu r g}\)
Laws of Motion

270299 A boy of mass\(50 \mathrm{~kg}\) is standing on a weighing machine placed on the floor of a lift. The machine reads his weight in newtons. The reading of the machine if the lift is moving upwards with uniform speed of \(10 \mathrm{~ms}^{-1}\)
(2009M)

1 \(510 \mathrm{~N}\)
2 \(480 \mathrm{~N}\)
3 \(490 \mathrm{~N}\)
4 \(500 \mathrm{~N}\)
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