Chapter 5 – NLM
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In the diagram 100kg block is hanging from a pulley and force F is applied on the string to keep the system in equilibrium. If the whole system is moving up with a constant velocity v, then tension at point P in the string will be
27
Nov
In the diagram 100kg block is hanging from a pulley and force F is applied on the string to keep the system in equilibrium. If the whole system is moving up with a constant velocity v, then tension at point P in the string will be In the diagram 100kg block is hanging from a [...]
In the diagram 100 kg block is hanging from a pulley and force F is applied on the string to keep the system in equilibrium if the whole system is moving up with a constant velocity v, then tension at point P.in the string will be
26
Nov
In the diagram 100 kg block is hanging from a pulley and force F is applied on the string to keep the system in equilibrium if the whole system is moving up with a constant velocity v, then tension at point P.in the string will be In the diagram 100 kg block is hanging from [...]
A cart has mass 2 metric ton and sand of 1 metric ton is inside the cart. Now a force of 10 N is applied on cart and sand starts to leak with rate of 0.5 kg/s. What is the velocity of cart when total sand has come out from the cart ?
17
Oct
A cart has mass 2 metric ton and sand of 1 metric ton is inside the cart. Now a force of 10 N is applied on cart and sand starts to leak with rate of 0.5 kg/s. What is the velocity of cart when total sand has come out from the cart ? A stone [...]
A bomb moving with velocity (40i+50j−25k)m/s explodes into two pieces of mass ratio 1:4. After explosion the smaller piece moves away with velocity (40i+50j+25k)m/s. The velocity of larger piece after explosion is .
17
Oct
A bomb moving with velocity (40i+50j−25k)m/s explodes into two pieces of mass ratio 1:4. After explosion the smaller piece moves away with velocity (40i+50j+25k)m/s. The velocity of larger piece after explosion is . A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed [...]
A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration g/4 the machine shows a reading 30 kgf. When the lift goes upwards with acceleration g/4 the reading would be
17
Oct
A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration g/4 the machine shows a reading 30 kgf. When the lift goes upwards with acceleration g/4 the reading would be A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a [...]
Same spring is attached with 2kg , 3kg and 1kg blocks in three different cases as shown in figure. If x1 , x2 and x3 be the extensions in the soring in these cases then
17
Oct
Same spring is attached with 2kg , 3kg and 1kg blocks in three different cases as shown in figure. If x1 , x2 and x3 be the extensions in the soring in these cases then 3kg and 1kg blocks in three different cases as shown in figure. If x1 Same spring is attached with 2kg [...]
Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension in the string is (Take g =10m/s^2)
17
Oct
Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension in the string is (Take g =10m/s^2) Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension in the string is (Take g [...]
A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 m/s. The tension in the string is?
17
Oct
A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 m/s. The tension in the string is? A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 [...]
A gun of mass kg 10 fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is 300 ms^−1. The force required to hold the gun while firing is
17
Oct
A gun of mass kg 10 fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is 300 ms^−1. The force required to hold the gun while firing is A gun of mass kg 10 fires 4 bullets per second. The [...]
A body of mass 60 kg suspended by means of three strings, P, Q and R as shown in the figure is in equilibrium. The tension in the string P is
17
Oct
A body of mass 60 kg suspended by means of three strings, P, Q and R as shown in the figure is in equilibrium. The tension in the string P is A body of mass 60 kg suspended by means of three strings p Q and R as shown in the figure is in equilibrium. [...]