1. ______is the quantity of matter contained an object and measured with a_______balance1) weight, spring balance 2) weight , beam balance 3) mass, spring balance 4) mass, beam balance
|
2. An object at rest does not change its state of rest easily because of ____1) friction 2) inertia 3) mass 4) density
|
3. A mass of 1 kg has a weight of ________1) 20 N 2) 1 N 3) 10 N 4) 15 N
|
4. What is the formula of weight?1) W=mg 2) W=fs 3) W=s/t 4) W=fv
|
5. What is the SI unit of mass?1) Joules 2) Kilogram 3) Newton 4) Pascal
|
ต้องการเฉลยข้อสอบ โปรดเข้าระบบสมาชิก
|
|
|