Five different experiments are carried out. In each experiment, a block is attac
ID: 1496609 • Letter: F
Question
Five different experiments are carried out. In each experiment, a block is attached to a horizontal spring. The block is pulled back a certain distance and released. The block oscillates back and forth on a frictionless surface. Rank the maximum force on the block for each of the following situations. (Rank the smallest force as 1).
1 2 3 4 5 A block of mass M is attached to a spring with a spring constant k, pulled back a distance d, and released.
1 2 3 4 5 A block of mass M is attached to a spring with a spring constant 2k, pulled back a distance 2d, and released.
1 2 3 4 5 A block of mass (1/2)M is attached to a spring with a spring constant k, pulled back a distance d, and released.
1 2 3 4 5 A block of mass M is attached to a spring with a spring constant k, pulled back a distance (1/2)d, and released.
1 2 3 4 5 A block of mass M is attached to a spring with a spring constant (1/2)k, pulled back a distance d, and released.
Explanation / Answer
1 )
A block of mass M is attached to a spring with a spring constant k, pulled back a distance d, and released
the force F = k X d
2 )
A block of mass M is attached to a spring with a spring constant 2k, pulled back a distance 2d, and released
F = 2k X 2 d
F = 4 k X d
3 )
A block of mass (1/2)M is attached to a spring with a spring constant k, pulled back a distance d, and released
F = 2 k X d
4 )
A block of mass M is attached to a spring with a spring constant k, pulled back a distance (1/2)d, and released
F = 1/2 k X d
5 )
A block of mass M is attached to a spring with a spring constant (1/2)k, pulled back a distance d, and released
F = 1 / 2 k X d
4 ) and 5 ) are equal and small
then 1 ) is small
then 3 )
after 2 )
so the ascending order of forces is 5 , 4 , 1 , 3 , 2
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