A spring balance, which is suspended of 1kg at it free end if the lift accelerates upward at 2.5m/s2 Determine the reading on the
free end if the lift accelerates upwards
Spring
balance.
[g=10m/s]​

Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n