If a force acts on an object, the impulse will be
A. zero if the speed of the object does not change.
B. nonzero in all situations.
C. zero if the force is applied perpendicular to the momentum object.
D. zero if the force is in the opposite direction of the velocity of the object.
Answer: B
You might also like to view...
RC Circuits: A fully charged 37-µF capacitor is discharged through a 1.0-k? resistor. If the voltage across the capacitor is reduced to 7.6 volts after just 20 ms, what was the original potential across the capacitor?
A. 16 V B. 13 V C. 11 V D. 9.0 V E. 8.0 V
The cosmic background radiation comes from a time after the origin of the universe
a. when protons and neutrons were first formed. b. when the big bang first began to expand. c. the inflationary period. d. when gamma rays had enough energy to destroy nuclei. e. when electrons began to recombine with nuclei to form atoms.
The _______________ states that an observer cannot distinguish locally the difference between inertial forces due to acceleration and uniform gravitational forces due to the presence of a massive object
Fill in the blank(s) with correct word
Which is lightest in weight?
A) oxygen atom B) water molecule C) electron D) hydrogen atom E) proton