4. What is the most  likely mass used?

a)A minivan- 1800kg, 18t, 180kg, 1800g.

b)a dictionary-1.2kg, 0.12t, 1200mg, 120g

c)a hockey pucj- 1.7kg, 170g, 1700mg, 170mg

d)a dalmation-3kg, 30kg, 300g, 3000mg

9.An elevator has a mass limit of 0.9 t.

2 people are waiting to enter it.

The elevator arrives.

It is already carrying 4 other people and their belongings.

a)Is it safe for the 2 people to get on the elevator?Explain.

b)Other than the total mass, what factors might influence whether the 2 people might go on the elevator?

By: Sonia :) John 6F

ENJOY!