Which of the following units would you use to measure force?

Question

(A) kilowatt (B) foot-pound (C) calorie

Which of the following factors is important to know when measuring power?

(A) the heat given off (B) the pitch (C) the time taken

Most of an atom's mass is in its (A) nucleus (B) electrons (C) protons

The chemical symbol for sodium is (A) Na (B) S (C) Au

The total number of atoms represented by the formula 2CO2 is (A) 8 (B) 3 (C) 6

Answer 1

1. none of these are force.

SI unit is newton. Other units are poundal, dyne, pound-force, kg-force.

2. A and C

3. A

4. A

5. C

.

Answer 2

1)F=m*a=B

2)P=w/t=C

3)mass=neucleus=A

4)sodium=Na=A

5)not sure but C

Answer 3

B

C

A

C

Answer 4

1. B

2. C

3. A

4. A

5. C

Gimme my points!!!