A tire stops a car by use of friction. What modulus should we use to calculate the stress and strain on the tire?
a. Young's modulus
b. compression modulus
c. shear modulus
d. bulk modulus
c
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Most of the carbon in your body was produced in
A) the Big Bang. B) interstellar gas in the space between the stars. C) red giant stars. D) supernova explosions. E) the solar nebula.
A particle whose mass is 2.0 kg moves in the xy plane with a constant speed of 3.0 m/s along the direction 
. What is its angular momentum (in kg?m2/s) relative to the point (0, 5.0) meters?
A.
B.
C.
D.
E.
In order to slide a 70.0 kg box across the floor at a constant speed, you must push horizontally with a force of 351 N. What is the coefficient of kinetic friction?
A. 0.149 B. 0.584 C. 0.337 D. 0.512 E. 0.678
Which type of quantity is characterized by both magnitude and direction?
a. scalar b. vector c. trigonometric d. algebraic variable