Read this please........many people made this mistake in physics paper 2 the previous years.

[Doggybros]

I'm not saying you don't know this or anything, it turns out many have not been able to answer this type of question in previous years, according to the chief examiner.
Ok, so there is a system where a load hangs by a wire or a rope, anything that can have tension.
The wire is moving upwards/accelerating.
The mass of the object is given, and you have to calculate the tension.

REMEMBER THIS:
The tension in the wire is always = Weight of the load + (mass of load × acceleration)

People got confused and included only the w or the ma.

IF it is moving at constant velocity, the acceleration = 0 and only in this case the tension is equal to the weight of the body.

 

[mariamalik]

can u help me with the formula
wavelength = ax/D
increasing and decreasing condition?? i dont get them plzzz.... be quick its my exam tomorrow !!!!!!!!!

 

[Octahedral]

What problem do you have in this formula?

 

[Iadmireblue]

I'm not saying you don't know this or anything, it turns out many have not been able to answer this type of question in previous years, according to the chief examiner.
Ok, so there is a system where a load hangs by a wire or a rope, anything that can have tension.
The wire is moving upwards/accelerating.
The mass of the object is given, and you have to calculate the tension.

REMEMBER THIS:
The tension in the wire is always = Weight of the load + (mass of load × acceleration)

People got confused and included only the w or the ma.

IF it is moving at constant velocity, the acceleration = 0 and only in this case the tension is equal to the weight of the body.

I don't get it isn't weight of the load equal to mass of the load
*acceleration

 

[Hassi123]

its like mechanics, tension (upward force) minus weight (downward force) is equal to acceleration (ma)

 

[Doggybros]

I don't get it isn't weight of the load equal to mass of the load
*acceleration

Sorry for the late reply......lol
No weight is not equal m*a it is equal m*g
If it is being accelerated, then two forces are acting on it, thats the whole point