If it is > 1 one, you will take off. If it is < 1, you will not:

Mass: 3 500 kg
Engine thrust: 30kN
Max acceleration: 8.751m/s²
Surface TWR: 0.88

Mass: 3 050 kg
Engine thrust: 30kN
Max acceleration: 9.851m/s²
Surface TWR: 1.00