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16 Questions

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Mechanics Branch of Physics

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Questions and Answers

What is the relationship between force, mass, and acceleration?

Force is equal to mass multiplied by acceleration (correct)

Force is equal to mass divided by acceleration

Acceleration is equal to force divided by mass

Mass is equal to force divided by acceleration

What is the unit of mass in the SI system?

Kilogram (kg) (correct)

Metre per second (m/s)

Newton (N)

Metre per second squared (m/s2)

What is the definition of force?

Any action that tends to change an object's acceleration

Any action that tends to change an object's position

Any action that tends to change an object's size, shape, or its state of rest or motion (correct)

Any action that tends to change an object's velocity

What is the unit of acceleration in the SI system?

Metre per second squared (m/s2) Signup and view all the answers

What is the acceleration due to gravity on the surface of the earth?

9.81 m/s2 Signup and view all the answers

What is the force of gravity acting on a mass of 1 kg on the surface of the earth?

9.81 N Signup and view all the answers

What is the difference between mass and weight?

Mass is the amount of matter in an object, while weight is the force of gravity acting on an object Signup and view all the answers

What is the relationship between velocity and acceleration?

Acceleration is the rate of change of velocity Signup and view all the answers

What is the unit of force in the SI system?

Newton (N) Signup and view all the answers

What is the force due to the earth's gravity acting on a mass of 200 kg?

1962 N Signup and view all the answers

According to Newton's Laws of Motion, what happens when a force is applied to an object?

The object will increase in speed Signup and view all the answers

Which branch of mechanics deals with forces and their effects on rigid bodies at rest?

Statics Signup and view all the answers

What is the science of mechanics used for when studying the work done in pumping water to a supply tank?

Determining the effect of forces on the process Signup and view all the answers

What does Newton's first law of motion state?

Every body will continue in its state of rest unless a force acts upon it Signup and view all the answers

What is the focus of dynamics in mechanics?

Forces and their effects on moving bodies Signup and view all the answers

What happens when friction is overcome by a large enough force acting on an object?

The object will start to increase in speed Signup and view all the answers