1. Spring constant is a measure of what property? A) A spring\'s stiffness. B) T
ID: 1793988 • Letter: 1
Question
1. Spring constant is a measure of what property?
A)
A spring's stiffness.
B)
The length of a spring.
C)
The number of coils in the spring.
D)
The ability of a spring to return to its original shape.
2. A mass on a spring is pulled downward 5.0cm and released at t=0s and begins oscillating up and down for 10 complete cycles in 5.0s. What is its period of oscillation?
A)
.50s.
B)
5.0s.
C)
5.0Hz.
D)
None of these.
3. Which force drives the motion of a pendulum?
A)
Electromagnetic.
B)
Kinetic friction.
C)
Inertia.
D)
Gravity.
A)
A spring's stiffness.
B)
The length of a spring.
C)
The number of coils in the spring.
D)
The ability of a spring to return to its original shape.
Explanation / Answer
1) A- Spring constant is measure of spring stiffness
2) Period of oscillation = 5 / 10 = 0.50 sec
3) T = 2*pi*sqrt(L/g) , Hence gravity drives the motion of pendulum.
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