Virtual Labs

CONSERVATION OF MECHANICAL ENERGY WITH SLIDING MOTION

What does the angle of repose signify?

a: The maximum angle of inclination of the plane Explanation

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b: The minimum angle of inclination of the plane Explanation

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c: The angle at which the object begins to slide down the plane Explanation

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d: The angle at which the object remains stationary on the plane Explanation

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Which method is used to determine the coefficient of dynamic friction?

a: Angle of repose method Explanation

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b: Constant velocity method Explanation

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c: Potential energy method Explanation

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d: Kinetic energy method Explanation

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How is work defined?

a: The product of force and time Explanation

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b: The product of force and displacement Explanation

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c: The product of mass and velocity Explanation

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d: The product of mass and acceleration Explanation

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Which type of energy is associated with the motion of an object?

a: Potential energy only Explanation

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b: Kinetic energy only Explanation

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c: Both potential and kinetic energy Explanation

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d: Neither potential nor kinetic energy Explanation

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What is the gravitational potential energy of an object defined as?

a: The work done against the frictional force Explanation

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b: The energy transferred due to the application of force Explanation

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c: The energy possessed by an object due to its position in a gravitational field Explanation

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d: The energy required to elevate an object by a certain height Explanation

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What factor determines whether an object slides down an inclined plane?

a: Coefficient of friction only Explanation

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b: Angle of inclination only Explanation

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c: Weight of the object only Explanation

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d: Coefficient of friction, angle of inclination, and weight of the object Explanation

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Which type of force is responsible for the frictional force?

a: Conservative force Explanation

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b: Non-conservative force Explanation

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c: External force Explanation

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d: Internal force Explanation

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How is the coefficient of static friction determined?

a: By measuring the angle of inclination Explanation

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b: By measuring the minimum angle at which the object starts to slide Explanation

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c: By measuring the maximum angle at which the object remains stationary Explanation

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d: By measuring the angle at which the object slides at constant velocity Explanation

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Which instrument is used to measure the time of passing of the object?

a: Stopwatch Explanation

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b: Light gate Explanation

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c: Ruler Explanation

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d: Protractor Explanation

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