Senior High School: 11th and 12th Grade - Physics - Forces - Centre Of Mass Solution

Q.1.

What is the frequency of a simple pendulum if the time period is ten seconds?

Q.2.

Where is the center of mass located on a rectangle of length 5 cm and width 3 cm if the mass is distributed evenly throughout the object?

Q.3.

How can you locate the center of mass of an irregular object?

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Suspend the object from two locations and drop a plumb line from the suspension points
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Suspend the object from one location and drop a plumb line from the suspension point
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Measure to the center of the object
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None of the above

Q.4.

A simple pendulum oscillates 50 times per second. What is the frequency of the pendulum?

Q.5.

What is the time period if the frequency is 100 Hz?

Q.6.

What is the formula for the period of oscillation for a simple pendulum?

Q.7.

Where is the center of mass located in a regularly shaped object?

Q.8.

What is center of mass?

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It is the point at which the mass of an object may be thought to be concentrated
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The point at which an object has no mass
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A number of points across an object which measure the same mass
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None of the above

Q.9.

A freely suspended object will come to rest with its center of mass directly below which point?

Q.10.

What does the time period depend on?