Answer:
the third one T-W
Explanation:
the direction of the Tension and weight are opposite
obviously 2 hours cuz 850/425
plato answer.
Answer:4kg
acceleration due to gravity(g)=10m/s^2
Weight(w)=40N
Weight=mass x g
40=mass x 10
Divide both sides by 10
Mass =40/10
Mass=4kg
