Goal: Unspecified.
Source: Unspecified.

A string attached to an 8 kg mass is passed over a frictionless pulley and attached to a 2 kg mass as shown. What is the normal force on the 8 kg block? (Use g=10 N/kg)
- 0 N
- 20 N
- 40 N
- 60 N
- 80 N
- 100 N
- None of above.
- Can’t be determined.
Commentary:
None provided.