Blocks and Springs

Classical Mechanics Level 2

Illustrated below are two blocks of mass $m_{1}$ and $m_{2}$ moving with respective velocities $v$ and $u$ (with $v>u$ ) on a frictionless surface. A massless spring is attached to the block of mass $m_{2}$ such that the block of mass $m_{1}$ collides with it at some time.

Ignoring all dissipative forces, which block will have a greater velocity at maximum compression of the spring?

Block of mass

m_{1}

Block of mass

m_{2}

Both blocks will have the same velocity The information is not sufficient

1 solution

Abha Vishwakarma
Oct 4, 2018

At maximum compression of spring, both its ends will have the same velocity. If it were not so then it would be in the state of compression or expansion, as one end of the spring would be moving faster (or slower) w.r.t the other end.

Can you tell me where are you getting such good pictures. I have a lot of questions on work but no proper pictures.

Ram Mohith - 2 years, 8 months ago

I draw them using paint. Since I drew similar pictures before, I just copy paste the parts. You can search for images of squares and stuff and just copy paste them on paint. It takes only 5 minutes so I don't think it would waste much of your time.

Abha Vishwakarma - 2 years, 8 months ago

Blocks and Springs

1 solution

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