From the following statements write down that which is not applicable to mass of an object.

It is measured using spring balance.

It is measured using physical balance.

Physics Quiz: Laws Of Motion And Gravitation Questions!

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1/10 Questions

The acceleration in a body is due to ___________
- Balanced force
- Un-balanced force
- Electro static force

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Physics Quiz: Laws Of Motion And Gravitation Questions! - Quiz

2.

The physical quantity which is equal to rate of change of momentum is ___________
- Displacement
- Acceleration
- Force
- Impulse
Correct Answer

A. Force

Explanation

Force is the physical quantity that is equal to the rate of change of momentum. Newton's second law states that force is equal to the rate of change of momentum, which means that when a force is applied to an object, its momentum changes. Therefore, force is directly proportional to the rate of change of momentum, making it the correct answer in this case.

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3.

The momentum of a massive object at rest is _______
- Very large
- Very small
- Zero
- Infinity
Correct Answer

A. Very large

Explanation

The momentum of a massive object at rest is zero. When an object is at rest, it has no velocity, and momentum is defined as the product of mass and velocity. Since the velocity is zero, the momentum of the object is also zero.

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4.

The weight of 50 kg person at the surface of earth is ________
- 50 N
- 35 N
- 380 N
- 490 N
Correct Answer

A. 490 N

Explanation

The weight of a person is determined by the force of gravity acting on their mass. On the surface of the earth, the acceleration due to gravity is approximately 9.8 m/s^2. To calculate the weight, we use the formula W = m * g, where W is the weight, m is the mass, and g is the acceleration due to gravity. In this case, the person has a mass of 50 kg, so the weight would be 50 kg * 9.8 m/s^2 = 490 N.

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5.

The freezing of biotechnology products like vaccines require ________ freezing systems.
- Helium
- Nitrogen
- Ammonia
- Chlorine
Correct Answer

A. Nitrogen

Explanation

Biotechnology products like vaccines require nitrogen freezing systems because nitrogen is an inert gas that can maintain extremely low temperatures without reacting with the products. Nitrogen freezing systems provide a controlled and stable environment for freezing biotechnology products, ensuring their integrity and effectiveness. Helium, ammonia, and chlorine are not commonly used for freezing biotechnology products due to their reactive nature or unsuitability for maintaining low temperatures.

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6.

From the following statements write down that which is not applicable to mass of an object.
- It is a fundamental quantity.
- It is measured using physical balance.
- It is measured using spring balance.
Correct Answer

A. It is measured using spring balance.

Explanation

The mass of an object is a fundamental quantity that represents the amount of matter in the object. It is not dependent on the method of measurement, whether it is measured using a physical balance or a spring balance. The mass remains the same regardless of the type of balance used. Therefore, the statement "It is measured using spring balance" is not applicable to the mass of an object.

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7.

Fill in the blanks. Force = mass x acceleration, then momentum = ____x______
- Weight x velocity
- Mass x speed
- Mass x velocity
- Weight x speed
Correct Answer

A. Mass x velocity

Explanation

The equation for momentum is derived from the equation for force, which is force = mass x acceleration. Since momentum is defined as mass multiplied by velocity, the correct answer is mass x velocity.

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8.

Fill in the blanks. Liquid hydrogen is for rocket, then –––– for MRI.
- Liquid ammonia
- Liquid Helium
- Liquid Hydrogen
- Liquid petroleum
Correct Answer

A. Liquid Helium

Explanation

Liquid helium is used for MRI machines. MRI machines use strong magnetic fields and radio waves to generate images of the body's internal structures. Liquid helium is used to cool the superconducting magnets in the MRI machine, allowing them to operate at extremely low temperatures and maintain their superconducting properties. This is necessary for the magnets to generate the strong and stable magnetic field required for the imaging process. Liquid hydrogen, on the other hand, is used as rocket fuel due to its high energy density and ability to provide a powerful thrust.

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9.

The name of some organisations which are associated with Chandrayan-I mission are given below. but some of them are not. List out the wrong ones. ISRO, BARC, NASA, ESA
- ISRO
- BARC
- NASA
- ESA
Correct Answer

A. BARC

Explanation

BARC is the wrong organization associated with the Chandrayan-I mission. The correct organizations associated with the mission are ISRO, NASA, and ESA. BARC, which stands for Bhabha Atomic Research Centre, is not directly involved in space exploration and is not associated with the Chandrayan-I mission.

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10.

As a matter of convention, an anticlockwise moment is taken as ________ and a clockwise moment is taken as ________.
- Negative, positive
- Positive, negative
- Positive, positive
- Negative, negative
Correct Answer

A. Positive, negative

Explanation

An anticlockwise moment is conventionally taken as positive because it is considered to be in the same direction as the positive x-axis in a Cartesian coordinate system. On the other hand, a clockwise moment is conventionally taken as negative because it is considered to be in the opposite direction of the positive x-axis.

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Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Dec 02, 2013

Quiz Created by
Padasalai10S

Physics Quiz: Laws Of Motion And Gravitation Questions!

The acceleration in a body is due to ___________

Quiz Preview

The physical quantity which is equal to rate of change of momentum is ___________

The momentum of a massive object at rest is _______

The weight of 50 kg person at the surface of earth is ________

The freezing of biotechnology products like vaccines require ________ freezing systems.

From the following statements write down that which is not applicable to mass of an object.

Fill in the blanks. Force = mass x acceleration, then momentum = x__

Fill in the blanks. Liquid hydrogen is for rocket, then –––– for MRI.

The name of some organisations which are associated with Chandrayan-I mission are given below. but some of them are not. List out the wrong ones. ISRO, BARC, NASA, ESA

As a matter of convention, an anticlockwise moment is taken as and a clockwise moment is taken as .

Physics Quiz: Laws Of Motion And Gravitation Questions!

The acceleration in a body is due to ___________

Quiz Preview

The physical quantity which is equal to rate of change of momentum is ___________

The momentum of a massive object at rest is _______

The weight of 50 kg person at the surface of earth is ________

The freezing of biotechnology products like vaccines require ________ freezing systems.

From the following statements write down that which is not applicable to mass of an object.

Fill in the blanks. Force = mass x acceleration, then momentum = ____x______

Fill in the blanks. Liquid hydrogen is for rocket, then –––– for MRI.

The name of some organisations which are associated with Chandrayan-I mission are given below. but some of them are not. List out the wrong ones. ISRO, BARC, NASA, ESA

As a matter of convention, an anticlockwise moment is taken as ________ and a clockwise moment is taken as ________.

Fill in the blanks. Force = mass x acceleration, then momentum = x__

As a matter of convention, an anticlockwise moment is taken as and a clockwise moment is taken as .