In order to jump off the floor, the floor must exert a force on you
a. in the direction of and equal to your weight.
b. opposite to and equal to your weight.
c. in the direction of and less than your weight.
d. opposite to and less than your weight.
e. opposite to and greater than your weight.
e
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If a polymer is to be extruded at a high shear strain rate, which of the following material characteristics is most desirable?
(a) Shear thickening. (b) Newtonian fluid. (c) Shear thinning. (d) Elastic.
Earth is located about ____________ of the way out from the center of the Milky Way Galaxy
a. 1/2 b. 1/3 c. 2/3 d. 3/2
The sum of the forces exerted on an object of interest is 125 N. As a result, the object accelerates with an acceleration of 24.0 m/s2. The mass of the object is
A) 3000 kg. B) 2880 kg. C) 144 kg. D) 0.200 kg. E) 5.21 kg.
Earth's distance from the Sun varies during the year Earth's distance from the Sun varies during the year by _____.
a. by 30%. b. by 3%. c. by 10%. d. not at all.