Physics GK 06 - Gravitation

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A pendulum is taken to Moon, what will happen to its time period?

Increases

Decreases

Remains constant

Either increase or decrease

Which among the following defines gravitational mass?

Ratio of weight of a body and acceleration due to gravity

Ratio of Acceleration due to gravity and weight of a body

matter contained in a body

None of the above

The value of acceleration due to gravity is __________?

Minimum at equator and maximum at poles

maximum at equator and minimum at poles

equal at poles and equator

None of the above

What is the mean value of g at earth’s surface?

0.98 meter per second

9.8 meter per second

9.8 meter per second square

0.98 meter per second square

In which of the following situations the force applied by the weight of a person becomes zero in a lift

Lift moves up with an acceleration of 9.8 meter per sq. second

Lift moves down with an acceleration of 9.8 meter per sq. second

Lift moves up with an speed of 9.8 meter per second

Lift moves up with down speed of 9.8 meter per second

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