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Questions and Answers
What is the force that attracts two objects with mass towards each other?
What is the force that attracts two objects with mass towards each other?
- Nuclear force
- Gravitational force (correct)
- Electromagnetic force
- Frictional force
What is the term for the force exerted by a fluid (liquid or gas) on an object partially or fully submerged in it?
What is the term for the force exerted by a fluid (liquid or gas) on an object partially or fully submerged in it?
- Thrust
- Buoyancy (correct)
- Viscosity
- Pressure
What is the term for the idea that the total energy of an isolated system remains constant over time?
What is the term for the idea that the total energy of an isolated system remains constant over time?
- Newton's first law
- Conservation of energy (correct)
- Law of inertia
- Conservation of momentum
What is the term for the distance traveled by an object in a unit of time?
What is the term for the distance traveled by an object in a unit of time?
What is the term for the force that opposes the motion of an object through a fluid?
What is the term for the force that opposes the motion of an object through a fluid?
What is the term for the process by which sound waves bounce back after hitting a surface?
What is the term for the process by which sound waves bounce back after hitting a surface?
What is the characteristic of an object that determines its resistance to changes in its motion?
What is the characteristic of an object that determines its resistance to changes in its motion?
What is the graphical representation of an object's motion that shows its velocity and acceleration?
What is the graphical representation of an object's motion that shows its velocity and acceleration?
What is the physical quantity that is the product of an object's mass and velocity?
What is the physical quantity that is the product of an object's mass and velocity?
What is the phenomenon in which the weight of an object appears to decrease when it is partially or fully submerged in a fluid?
What is the phenomenon in which the weight of an object appears to decrease when it is partially or fully submerged in a fluid?
What is the term for the repeating pattern of compressions and rarefactions in a medium?
What is the term for the repeating pattern of compressions and rarefactions in a medium?
What is the SI unit of power?
What is the SI unit of power?
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