Question

A block with mass m = 4.3 kg is attached to two springs with spring constants kleft = 35 N/m and kright = 48 N/m. The block is pulled a distance x = 0.23 m to the left of its equilibrium position and released from rest.What is the magnitude of the net force on the block (the moment it is released)?

Answer 1

Step-by-step explanation:

A restoring force is created when a spring is either stretched or compressed.

Restoring force created by first spring = spring constant x contraction

= 35 x .23

= 8.05 N .

It will act towards the right .

Restoring force created by second spring = spring constant x extension

= 48 x .23

= 11.04 N .

It will also act towards the right .

Total force created due to contraction in the first spring and extension in the right spring = 8.05 +11.04 N

= 19.09 N .