363604
For ordinal terrestrial experiments, the observer in an inertial frame in the following cases is
1 A child revolving in a giant wheel
2 A driver in a sports car moving with a constant high speed of \(200\,km{h^{ - 1}}\) on a straight rod
3 The pilot of an aeroplane which is taking off
4 A cyclist negotiating a sharp curve.
Explanation:
An inertial frame is a non-accelerated frame. (1), (3), (4) have all circular motion or motion along a curved path.
KCET - 2006
PHXI05:LAWS OF MOTION
363605
Read Assertion and Reason carefully to mark the correct option given below. Assertion : An electric fan continues to rotate for some time after the current is switched off. Reason : Fan continues to rotate due to inertia of motion.
1 Assertion is not correct but Reason is correct.
2 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
3 Assertion is correct but Reason is not correct.
4 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
Explanation:
Fan continues to rotate for some time after the current is switched off due to inertia of motion and finally stops due to friction in the bearing. Hence, both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
JEE - 2023
PHXI05:LAWS OF MOTION
363606
A man getting down a running bus falls forward because
1 Due to inertia of rest, road is left behind and man reaches forward
2 Due to inertia of motion upper part of body continues to be in motion in forward direction while feet come to rest as soon as they touch the road
3 He leans forward as a matter of habit
4 Of the combined effect of all the three factors stated in (1), (2) and (3)
Explanation:
Conceptual Question
PHXI05:LAWS OF MOTION
363607
Assertion : The passengers sitting in a bus fall backward when the bus suddenly start moving. Reason : It is due to inertia at rest.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
When a bus suddenly starts moving, passengers inside may fall backward due to their inertia at rest, resisting the change in motion. The reason correctly explains this phenomenon. So, correct option is (1)
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PHXI05:LAWS OF MOTION
363604
For ordinal terrestrial experiments, the observer in an inertial frame in the following cases is
1 A child revolving in a giant wheel
2 A driver in a sports car moving with a constant high speed of \(200\,km{h^{ - 1}}\) on a straight rod
3 The pilot of an aeroplane which is taking off
4 A cyclist negotiating a sharp curve.
Explanation:
An inertial frame is a non-accelerated frame. (1), (3), (4) have all circular motion or motion along a curved path.
KCET - 2006
PHXI05:LAWS OF MOTION
363605
Read Assertion and Reason carefully to mark the correct option given below. Assertion : An electric fan continues to rotate for some time after the current is switched off. Reason : Fan continues to rotate due to inertia of motion.
1 Assertion is not correct but Reason is correct.
2 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
3 Assertion is correct but Reason is not correct.
4 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
Explanation:
Fan continues to rotate for some time after the current is switched off due to inertia of motion and finally stops due to friction in the bearing. Hence, both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
JEE - 2023
PHXI05:LAWS OF MOTION
363606
A man getting down a running bus falls forward because
1 Due to inertia of rest, road is left behind and man reaches forward
2 Due to inertia of motion upper part of body continues to be in motion in forward direction while feet come to rest as soon as they touch the road
3 He leans forward as a matter of habit
4 Of the combined effect of all the three factors stated in (1), (2) and (3)
Explanation:
Conceptual Question
PHXI05:LAWS OF MOTION
363607
Assertion : The passengers sitting in a bus fall backward when the bus suddenly start moving. Reason : It is due to inertia at rest.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
When a bus suddenly starts moving, passengers inside may fall backward due to their inertia at rest, resisting the change in motion. The reason correctly explains this phenomenon. So, correct option is (1)
363604
For ordinal terrestrial experiments, the observer in an inertial frame in the following cases is
1 A child revolving in a giant wheel
2 A driver in a sports car moving with a constant high speed of \(200\,km{h^{ - 1}}\) on a straight rod
3 The pilot of an aeroplane which is taking off
4 A cyclist negotiating a sharp curve.
Explanation:
An inertial frame is a non-accelerated frame. (1), (3), (4) have all circular motion or motion along a curved path.
KCET - 2006
PHXI05:LAWS OF MOTION
363605
Read Assertion and Reason carefully to mark the correct option given below. Assertion : An electric fan continues to rotate for some time after the current is switched off. Reason : Fan continues to rotate due to inertia of motion.
1 Assertion is not correct but Reason is correct.
2 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
3 Assertion is correct but Reason is not correct.
4 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
Explanation:
Fan continues to rotate for some time after the current is switched off due to inertia of motion and finally stops due to friction in the bearing. Hence, both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
JEE - 2023
PHXI05:LAWS OF MOTION
363606
A man getting down a running bus falls forward because
1 Due to inertia of rest, road is left behind and man reaches forward
2 Due to inertia of motion upper part of body continues to be in motion in forward direction while feet come to rest as soon as they touch the road
3 He leans forward as a matter of habit
4 Of the combined effect of all the three factors stated in (1), (2) and (3)
Explanation:
Conceptual Question
PHXI05:LAWS OF MOTION
363607
Assertion : The passengers sitting in a bus fall backward when the bus suddenly start moving. Reason : It is due to inertia at rest.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
When a bus suddenly starts moving, passengers inside may fall backward due to their inertia at rest, resisting the change in motion. The reason correctly explains this phenomenon. So, correct option is (1)
363604
For ordinal terrestrial experiments, the observer in an inertial frame in the following cases is
1 A child revolving in a giant wheel
2 A driver in a sports car moving with a constant high speed of \(200\,km{h^{ - 1}}\) on a straight rod
3 The pilot of an aeroplane which is taking off
4 A cyclist negotiating a sharp curve.
Explanation:
An inertial frame is a non-accelerated frame. (1), (3), (4) have all circular motion or motion along a curved path.
KCET - 2006
PHXI05:LAWS OF MOTION
363605
Read Assertion and Reason carefully to mark the correct option given below. Assertion : An electric fan continues to rotate for some time after the current is switched off. Reason : Fan continues to rotate due to inertia of motion.
1 Assertion is not correct but Reason is correct.
2 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
3 Assertion is correct but Reason is not correct.
4 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
Explanation:
Fan continues to rotate for some time after the current is switched off due to inertia of motion and finally stops due to friction in the bearing. Hence, both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
JEE - 2023
PHXI05:LAWS OF MOTION
363606
A man getting down a running bus falls forward because
1 Due to inertia of rest, road is left behind and man reaches forward
2 Due to inertia of motion upper part of body continues to be in motion in forward direction while feet come to rest as soon as they touch the road
3 He leans forward as a matter of habit
4 Of the combined effect of all the three factors stated in (1), (2) and (3)
Explanation:
Conceptual Question
PHXI05:LAWS OF MOTION
363607
Assertion : The passengers sitting in a bus fall backward when the bus suddenly start moving. Reason : It is due to inertia at rest.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
When a bus suddenly starts moving, passengers inside may fall backward due to their inertia at rest, resisting the change in motion. The reason correctly explains this phenomenon. So, correct option is (1)