Loading to the lineRunning
Friction sled. Kit added at 11 kg. Load on the sledge 20.04 kg, Load needed 15 kg. Currently load on the sledge is over by 5.04 kg.TUNINGLOADNORMAL FORCELOAD ON THE SLEDGELOAD NEEDED11 KG
t = 0.0s

Load on the sledge

20.04kg

Load needed

15kg

11 kg

Friction sled. Kit added at 11 kg. Load on the sledge 20.04 kg, Load needed 15 kg. Currently load on the sledge is over by 5.04 kg.

What has to balancem1+m2=mtotalm_1 + m_2 = m_{total}

What is happening

You arrive at a school field trip loading a sledge that grips the snow once it is heavy enough.

The sledge keeps sliding away down the slope. There are already 9 kg of kit strapped on, and it only grips the snow once the load reaches 15 kg.