LAWS OF FRICTION
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Laws of Motion

270370 The time when relative motion between them will stop

1 \(1 \mathrm{sec}\)
2 \(2 \mathrm{sec}\)
3 \(3 \mathrm{sec}\)
4 \(4 \mathrm{sec}\)
Laws of Motion

270165 The coefficient of static friction between contact surfaces of two bodies is 1 . The contact surfaces of one body support the other till the inclination is less than

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(90^{\circ}\)
Laws of Motion

270164 The coefficients of static and dynamic friction are 0.7 and 0.4 . The minimum force required to create motion is applied on a body and if it is further continued, the acceleration attained by the body in \(\mathrm{ms}^{-2}\) is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 7
2 4
3 3
4 Zero
Laws of Motion

270212 A body of mass\(60 \mathrm{~kg}\) is pushed with just enough force to start it moving on a rough surface with \(\mu_{s}=0.5\) and \(\mu_{k}=0.4\) and the force continues to act afterwards. The acceleration of the body is ( in \(\mathrm{m} / \mathrm{sec}^{2}\) )

1 0.98
2 3.92
3 4.90
4 Zero
Laws of Motion

270213 If the coefficient of friction is\(\sqrt{3}\), the angle of friction is

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(45^{\circ}\)
4 \(37^{\circ}\)
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Laws of Motion

270370 The time when relative motion between them will stop

1 \(1 \mathrm{sec}\)
2 \(2 \mathrm{sec}\)
3 \(3 \mathrm{sec}\)
4 \(4 \mathrm{sec}\)
Laws of Motion

270165 The coefficient of static friction between contact surfaces of two bodies is 1 . The contact surfaces of one body support the other till the inclination is less than

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(90^{\circ}\)
Laws of Motion

270164 The coefficients of static and dynamic friction are 0.7 and 0.4 . The minimum force required to create motion is applied on a body and if it is further continued, the acceleration attained by the body in \(\mathrm{ms}^{-2}\) is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 7
2 4
3 3
4 Zero
Laws of Motion

270212 A body of mass\(60 \mathrm{~kg}\) is pushed with just enough force to start it moving on a rough surface with \(\mu_{s}=0.5\) and \(\mu_{k}=0.4\) and the force continues to act afterwards. The acceleration of the body is ( in \(\mathrm{m} / \mathrm{sec}^{2}\) )

1 0.98
2 3.92
3 4.90
4 Zero
Laws of Motion

270213 If the coefficient of friction is\(\sqrt{3}\), the angle of friction is

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(45^{\circ}\)
4 \(37^{\circ}\)
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Laws of Motion

270370 The time when relative motion between them will stop

1 \(1 \mathrm{sec}\)
2 \(2 \mathrm{sec}\)
3 \(3 \mathrm{sec}\)
4 \(4 \mathrm{sec}\)
Laws of Motion

270165 The coefficient of static friction between contact surfaces of two bodies is 1 . The contact surfaces of one body support the other till the inclination is less than

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(90^{\circ}\)
Laws of Motion

270164 The coefficients of static and dynamic friction are 0.7 and 0.4 . The minimum force required to create motion is applied on a body and if it is further continued, the acceleration attained by the body in \(\mathrm{ms}^{-2}\) is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 7
2 4
3 3
4 Zero
Laws of Motion

270212 A body of mass\(60 \mathrm{~kg}\) is pushed with just enough force to start it moving on a rough surface with \(\mu_{s}=0.5\) and \(\mu_{k}=0.4\) and the force continues to act afterwards. The acceleration of the body is ( in \(\mathrm{m} / \mathrm{sec}^{2}\) )

1 0.98
2 3.92
3 4.90
4 Zero
Laws of Motion

270213 If the coefficient of friction is\(\sqrt{3}\), the angle of friction is

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(45^{\circ}\)
4 \(37^{\circ}\)
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Laws of Motion

270370 The time when relative motion between them will stop

1 \(1 \mathrm{sec}\)
2 \(2 \mathrm{sec}\)
3 \(3 \mathrm{sec}\)
4 \(4 \mathrm{sec}\)
Laws of Motion

270165 The coefficient of static friction between contact surfaces of two bodies is 1 . The contact surfaces of one body support the other till the inclination is less than

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(90^{\circ}\)
Laws of Motion

270164 The coefficients of static and dynamic friction are 0.7 and 0.4 . The minimum force required to create motion is applied on a body and if it is further continued, the acceleration attained by the body in \(\mathrm{ms}^{-2}\) is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 7
2 4
3 3
4 Zero
Laws of Motion

270212 A body of mass\(60 \mathrm{~kg}\) is pushed with just enough force to start it moving on a rough surface with \(\mu_{s}=0.5\) and \(\mu_{k}=0.4\) and the force continues to act afterwards. The acceleration of the body is ( in \(\mathrm{m} / \mathrm{sec}^{2}\) )

1 0.98
2 3.92
3 4.90
4 Zero
Laws of Motion

270213 If the coefficient of friction is\(\sqrt{3}\), the angle of friction is

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(45^{\circ}\)
4 \(37^{\circ}\)
NEET DIGITAL LIBRARY
Laws of Motion

270370 The time when relative motion between them will stop

1 \(1 \mathrm{sec}\)
2 \(2 \mathrm{sec}\)
3 \(3 \mathrm{sec}\)
4 \(4 \mathrm{sec}\)
Laws of Motion

270165 The coefficient of static friction between contact surfaces of two bodies is 1 . The contact surfaces of one body support the other till the inclination is less than

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(90^{\circ}\)
Laws of Motion

270164 The coefficients of static and dynamic friction are 0.7 and 0.4 . The minimum force required to create motion is applied on a body and if it is further continued, the acceleration attained by the body in \(\mathrm{ms}^{-2}\) is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 7
2 4
3 3
4 Zero
Laws of Motion

270212 A body of mass\(60 \mathrm{~kg}\) is pushed with just enough force to start it moving on a rough surface with \(\mu_{s}=0.5\) and \(\mu_{k}=0.4\) and the force continues to act afterwards. The acceleration of the body is ( in \(\mathrm{m} / \mathrm{sec}^{2}\) )

1 0.98
2 3.92
3 4.90
4 Zero
Laws of Motion

270213 If the coefficient of friction is\(\sqrt{3}\), the angle of friction is

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(45^{\circ}\)
4 \(37^{\circ}\)