Mechanics and Concepts in Physics Quiz

Test your knowledge on classical mechanics with 18 questions covering forces, motion, energy, and laws of physics.

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Which of the following is a scalar quantity?

Velocity

Force

Mass

Acceleration

1 answered

What is the SI unit of force?

Newton

Joule

Watt

Pascal

1 answered

What is the formula for calculating kinetic energy?

KE = 1/2 * mv^2

KE = mgh

KE = Fd

KE = P/t

1 answered

Which of the following quantities is a vector quantity?

Speed

Distance

Temperature

Displacement

1 answered

Which law of motion states that every object will remain at rest or in uniform motion unless acted upon by an external force?

Newton's First Law

Newton's Second Law

Newton's Third Law

Law of Gravitation

1 answered

A ball is thrown vertically upwards. At the highest point of its motion, the velocity of the ball is:

Minimum

Maximum

Zero

Constant

1 answered

Which of the following equations represents Newton's second law of motion?

F = ma

F = mv

F = m/v

F = m + a

1 answered

What is the work done by a force when the displacement of an object is perpendicular to the direction of the force?

Zero

Positive

Negative

Infinity

1 answered

Which of the following statements defines inertia?

The tendency of an object to resist a change in motion

The force experienced by a moving object

The force required to maintain motion

The speed of an object in motion

1 answered

#10

What is the acceleration due to gravity near the surface of the Earth?

9.8 m/s^2

5.8 m/s^2

7.2 m/s^2

11.3 m/s^2

1 answered

#11

Which of the following is a unit of torque?

Joule

Newton

Watt

Newton-meter

1 answered

#12

Which of the following is a conservative force?

Frictional force

Normal force

Tension force

Gravitational force

1 answered

#13

Which of the following statements is true regarding elastic collisions?

Kinetic energy is conserved

Momentum is not conserved

Total energy is not conserved

Objects stick together after collision

1 answered

#14

What is the principle of conservation of momentum?

The total momentum of a closed system remains constant if no external forces act on it

The total momentum of an open system remains constant regardless of external forces

The total momentum of a system decreases over time

The total momentum of a system increases over time

1 answered

#15

Which of the following is a non-inertial frame of reference?

Frame fixed to the surface of the Earth

Frame moving at a constant velocity

Frame accelerating uniformly

Frame in deep space with no external forces

1 answered

#16

Which of the following is true regarding Newton's third law of motion?

For every action, there is an equal and opposite reaction

An object will accelerate if acted upon by an external force

Objects with larger masses have larger accelerations

The velocity of an object remains constant if no net force acts on it

1 answered

#17

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

Zeroth Law

First Law

Second Law

Third Law

1 answered

#18

Which of the following statements is true regarding the center of mass?

It always coincides with the geometric center of an object

It depends on the shape and mass distribution of the object

It remains fixed in space

It is not affected by external forces

1 answered

Mechanics and Concepts in Physics Quiz

Which of the following is a scalar quantity?

What is the SI unit of force?

What is the formula for calculating kinetic energy?

Which of the following quantities is a vector quantity?

Which law of motion states that every object will remain at rest or in uniform motion unless acted upon by an external force?

A ball is thrown vertically upwards. At the highest point of its motion, the velocity of the ball is:

Which of the following equations represents Newton's second law of motion?

What is the work done by a force when the displacement of an object is perpendicular to the direction of the force?

Which of the following statements defines inertia?

What is the acceleration due to gravity near the surface of the Earth?

Which of the following is a unit of torque?

Which of the following is a conservative force?

Which of the following statements is true regarding elastic collisions?

What is the principle of conservation of momentum?

Which of the following is a non-inertial frame of reference?

Which of the following is true regarding Newton's third law of motion?

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

Which of the following statements is true regarding the center of mass?

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