Which of the following is not a fundamental force?
a. the gravitational force
b. the electromagnetic force
c. the strong force
d. the force of forward motion also known as the inertial force
e. Choose this answer if two of the named forces are not fundamental.
d
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Radiation: By what primary heat transfer mechanism does the sun warm the earth?
A. convection B. conduction C. radiation D. All of these processes are equally important in combination.
The correct way to connect an ammeter and a voltmeter to make measurements of a circuit element is
A. both should be in parallel with the circuit element B. both should be in series with the circuit element C. an ammeter is always in series with the circuit element and a voltmeter is always in parallel with the circuit element D. an ammeter is always in parallel with the circuit element and a voltmeter is always in series with the circuit element
If there were no gravity, a ball thrown upward at an angle would follow a straight-line path. Due to gravity, however, at the end of 1 s it is
A) 5 m below the straight line. B) 10 m below the straight line. C) 15 m below the straight line. D) 20 m below the straight line. E) more than 20 m below the straight line.
The surface of Venus has been studied
a. using radar maps made from Earth. b. using radar maps made from satellites orbiting Venus. c. using spacecraft that have landed on the surface of Venus. d. all of the above e. only b and c