Conservation of Mechanical Energy

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Test basics of energy in motion and height.

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Minimol Levi Kurian

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Conservation of Mechanical Energy


Conservation of Mechanical EnergyVersion en ligne Test basics of energy in motion and height. par Minimol Levi Kurian 1 What remains constant in a frictionless system with only conservative forces? a Kinetic energy only b Total mechanical energy c Momentum d Potential energy only 2 In a frictionless pendulum, what happens to kinetic and potential energy during swing? a Total energy increases b Only potential changes c Only kinetic changes d They interchange as the total remains constant 3 Which energy converts to kinetic as a roller coaster car descends? a Kinetic to chemical energy b Potential energy to kinetic energy c Kinetic to thermal energy d Thermal to potential energy 4 If height is doubled in a frictionless system, what happens to potential energy? a It stays the same b It becomes zero c It increases proportionally to height d It decreases to zero 5 A ball tossed vertically upward, ignoring air resistance, energy is: a Zero at the top b Dissipated as heat c Converted only to heat d Conserved total mechanical energy 6 Where is kinetic energy maximum in a vertical drop under gravity alone? a At midpoint b At the lowest point c When energy is zero d At the highest point 7 What must be true for energy conservation to apply in a problem? a Time must be infinite b All non-conservative forces are negligible or zero c Energy must increase over time d Mass must change 8 What is conserved in a frictionless system like a pendulum? a Kinetic energy only b Total mechanical energy c Potential energy only d Thermal energy 9 In a frictionless roller coaster, what remains constant as the car moves along the track? a Thermal energy b Total mechanical energy c Kinetic energy only d Potential energy only 10 If height doubles for a mass on a vertical track (same mass and gravity), potential energy: a Halves b Remains the same c Doubles d Becomes zero 11 If velocity doubles, kinetic energy changes by a factor of: a Two b One-half c Four d Eight 12 During a fall, potential energy is converted into: a Kinetic energy b Chemical energy c Nuclear energy d Thermal energy 13 Energy conversion with no friction shows what about total energy? a It stays constant b It increases c It decreases d It becomes zero

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Conservation of Mechanical Energy

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Conservation of Mechanical EnergyVersion en ligne

par Minimol Levi Kurian

What remains constant in a frictionless system with only conservative forces?

In a frictionless pendulum, what happens to kinetic and potential energy during swing?

Which energy converts to kinetic as a roller coaster car descends?

If height is doubled in a frictionless system, what happens to potential energy?

A ball tossed vertically upward, ignoring air resistance, energy is:

Where is kinetic energy maximum in a vertical drop under gravity alone?

What must be true for energy conservation to apply in a problem?

What is conserved in a frictionless system like a pendulum?

In a frictionless roller coaster, what remains constant as the car moves along the track?

If height doubles for a mass on a vertical track (same mass and gravity), potential energy:

If velocity doubles, kinetic energy changes by a factor of:

During a fall, potential energy is converted into:

Energy conversion with no friction shows what about total energy?