Question

talse " Krictionless since the tave - wo ofposing fillional force there ( u ), wotion during otes
[
u=0, t=2 s
]
accelaration of block ( a=frac{F}{m}=frac{F}{2} )
ther ( S=u t+1 / 2 a t^{2} )
( 10=(0)^{2}+frac{1}{2}left(frac{5}{2}right)(2)^{2} )
[
F=10 N
]

# V A block of mass 2 kg placed on a long frictionless horizontal table is pulled horizontally by a constant force F. It is found to move 10 m in the first two seconds. Find the magnitude of F

Solution