Torque in the metric system is measured in units of

A. N s.
B. N/m.
C. N.
D. N rad.
E. N m.


Answer: E

Physics & Space Science

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All minerals exhibit cleavage.

a. true b. false

Physics & Space Science

An object is made up of three masses connected by massless rods of fixed length

Mass A is located at (30.0 cm, 0 cm) and has a mass of 250 grams, mass B is located at (0 cm, 30.0 cm) and has a mass of 350 grams, mass C is located at (-30.0 cm, 0 cm) and has a mass of 450 grams. What is the moment of inertia of this object about an axis perpendicular to the x-y plane and passing through the origin? A) 0.0945 kg m2 B) 0.315 kg m2 C) 0.185 kg m2 D) 0.0135 kg m2 E) 0.0450 kg m2

Physics & Space Science

The diagrams below show forces of magnitude F applied to an equilateral triangular block of uniform thickness. In which diagram(s) is(are) the block in equilibrium?



a.
A

b.
B

c.
C

d.
D

e.
A and B

Physics & Space Science

What is the number of molecules of O2 consumed if you combust one mole of CH4 according to the following balanced equation?

CH4 + 2 O2 ? CO2 + 2 H2O A) 1 molecule B) 2 molecules C) 6.022 × 1023 molecules D) 1.204 × 024 molecules E) 1 g of molecules

Physics & Space Science