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Laws of Motion

270100 In the system shown in figure \(m_{1}\lt m_{2}\). System is held at rest by thread BC. Just after the thread \(B C\) is burnt.

1 acceleration of \(m_{1}\) will be equal to zero
2 acceleration of \(m_{2}\) will be downwards
3 magnitude of acceleration of two blocks will be non-zero and unequal
4 magnitude of acceleration of both the blocks will be \(\stackrel{\square m_{1}-m_{2}}{\square m_{1}+m_{2}} \stackrel{\square}{\square^{g}}\)
Laws of Motion

270101 A lift is ascending with a constant speed "V". A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

1 Zero
2 \(g\)
3 \(<\) g
4 \(\lt g\)
Laws of Motion

270102 A reference frame attached to the earth with respective to an observer in space

1 is an inertial frame because Newton's laws of motion are applicable in it
2 is an inertial frame by definition
3 cannot be an inertial frame because earth is rotating about its axis
4 can be an inertial frame because earth is revolving around the sun.
Laws of Motion

270103 A Stationary railway platform on earth is

1 an inertial frame of reference for an observer on earth.
2 a Non inertial frame of reference for an observer on moon
3 both are true
4 both are false
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Laws of Motion

270100 In the system shown in figure \(m_{1}\lt m_{2}\). System is held at rest by thread BC. Just after the thread \(B C\) is burnt.

1 acceleration of \(m_{1}\) will be equal to zero
2 acceleration of \(m_{2}\) will be downwards
3 magnitude of acceleration of two blocks will be non-zero and unequal
4 magnitude of acceleration of both the blocks will be \(\stackrel{\square m_{1}-m_{2}}{\square m_{1}+m_{2}} \stackrel{\square}{\square^{g}}\)
Laws of Motion

270101 A lift is ascending with a constant speed "V". A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

1 Zero
2 \(g\)
3 \(<\) g
4 \(\lt g\)
Laws of Motion

270102 A reference frame attached to the earth with respective to an observer in space

1 is an inertial frame because Newton's laws of motion are applicable in it
2 is an inertial frame by definition
3 cannot be an inertial frame because earth is rotating about its axis
4 can be an inertial frame because earth is revolving around the sun.
Laws of Motion

270103 A Stationary railway platform on earth is

1 an inertial frame of reference for an observer on earth.
2 a Non inertial frame of reference for an observer on moon
3 both are true
4 both are false
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Laws of Motion

270100 In the system shown in figure \(m_{1}\lt m_{2}\). System is held at rest by thread BC. Just after the thread \(B C\) is burnt.

1 acceleration of \(m_{1}\) will be equal to zero
2 acceleration of \(m_{2}\) will be downwards
3 magnitude of acceleration of two blocks will be non-zero and unequal
4 magnitude of acceleration of both the blocks will be \(\stackrel{\square m_{1}-m_{2}}{\square m_{1}+m_{2}} \stackrel{\square}{\square^{g}}\)
Laws of Motion

270101 A lift is ascending with a constant speed "V". A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

1 Zero
2 \(g\)
3 \(<\) g
4 \(\lt g\)
Laws of Motion

270102 A reference frame attached to the earth with respective to an observer in space

1 is an inertial frame because Newton's laws of motion are applicable in it
2 is an inertial frame by definition
3 cannot be an inertial frame because earth is rotating about its axis
4 can be an inertial frame because earth is revolving around the sun.
Laws of Motion

270103 A Stationary railway platform on earth is

1 an inertial frame of reference for an observer on earth.
2 a Non inertial frame of reference for an observer on moon
3 both are true
4 both are false
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Laws of Motion

270100 In the system shown in figure \(m_{1}\lt m_{2}\). System is held at rest by thread BC. Just after the thread \(B C\) is burnt.

1 acceleration of \(m_{1}\) will be equal to zero
2 acceleration of \(m_{2}\) will be downwards
3 magnitude of acceleration of two blocks will be non-zero and unequal
4 magnitude of acceleration of both the blocks will be \(\stackrel{\square m_{1}-m_{2}}{\square m_{1}+m_{2}} \stackrel{\square}{\square^{g}}\)
Laws of Motion

270101 A lift is ascending with a constant speed "V". A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

1 Zero
2 \(g\)
3 \(<\) g
4 \(\lt g\)
Laws of Motion

270102 A reference frame attached to the earth with respective to an observer in space

1 is an inertial frame because Newton's laws of motion are applicable in it
2 is an inertial frame by definition
3 cannot be an inertial frame because earth is rotating about its axis
4 can be an inertial frame because earth is revolving around the sun.
Laws of Motion

270103 A Stationary railway platform on earth is

1 an inertial frame of reference for an observer on earth.
2 a Non inertial frame of reference for an observer on moon
3 both are true
4 both are false
For More Updates join with Us