Virtual Labs

CONSERVATION OF MECHANICAL ENERGY WITH SLIDING MOTION

What is the coefficient of static friction denoted by?

a: μs Explanation

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b: μk Explanation

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c: Fk Explanation

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d: Fs Explanation

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Which force opposes the motion between the surfaces in contact in the experiment?

a: Normal force Explanation

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b: Tension force Explanation

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c: Frictional force Explanation

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d: Gravitational force Explanation

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What is the condition for work to be done on an object?

a: The object remains stationary Explanation

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b: There is no displacement of the object Explanation

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c: Force is applied to the object Explanation

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d: Force and displacement are in the same direction Explanation

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Which type of energy is possessed by an object by virtue of its motion?

a: Potential energy Explanation

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b: Elastic energy Explanation

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c: Kinetic energy Explanation

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d: Thermal energy Explanation

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What is the work done by conservative forces on a closed path?

a: Zero Explanation

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b: Constant Explanation

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c: Negative Explanation

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d: Infinity Explanation

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What factor(s) determine whether an object kept on a tilted surface remains at rest or slides down the plane?

a: Weight of the object Explanation

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b: Angle of the inclined plane Explanation

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c: Coefficient of friction between the surfaces in contact Explanation

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d: All of the above Explanation

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What is the formula for calculating kinetic energy?

a: T = 1/2 * m * v^2 Explanation

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b: T = m * g * h Explanation

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c: T = F * dr Explanation

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d: T = μ * N Explanation

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Which type of energy depends only on the initial and final positions of the object along the path?

a: Kinetic energy Explanation

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b: Potential energy Explanation

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c: Thermal energy Explanation

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d: Elastic energy Explanation

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What is the primary source of error mentioned in the experiment?

a: Determination of the angle of repose Explanation

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b: Setting up the inclined plane Explanation

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c: Aligning the light gates Explanation

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d: Recording the mass of the object Explanation

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