Podcast
Questions and Answers
Which of the following is the SI unit of the universal constant of gravitation?
Which of the following is the SI unit of the universal constant of gravitation?
- Nm/kg^2
- N/m^2kg^-2 (correct)
- N/m
- kg/ms
What is the SI unit of weight, which represents the force on an object due to gravity?
What is the SI unit of weight, which represents the force on an object due to gravity?
- Force (correct)
- Impulse
- Mass
- Acceleration
Which two physical quantities share the same unit of measurement?
Which two physical quantities share the same unit of measurement?
- Force and Dyne
- Pressure and Force
- Force and Weight (correct)
- Force and Speed
What is the SI unit of Newton, in relation to physical quantities?
What is the SI unit of Newton, in relation to physical quantities?
Which pair of physical quantities do NOT have the same SI units?
Which pair of physical quantities do NOT have the same SI units?
What is the dimensional formula for weight or force?
What is the dimensional formula for weight or force?
What is the SI unit of resistance?
What is the SI unit of resistance?
Which physical quantity is measured in ohms?
Which physical quantity is measured in ohms?
What is the SI unit of stress?
What is the SI unit of stress?
Which unit represents the flow of electric charge per second across a wire?
Which unit represents the flow of electric charge per second across a wire?
What does the SI unit Coulomb represent?
What does the SI unit Coulomb represent?
Which physical quantity does the unit Ohm relate to?
Which physical quantity does the unit Ohm relate to?
What is the gravitational potential energy of an object at a point above the ground defined as?
What is the gravitational potential energy of an object at a point above the ground defined as?
A bullet fired from a gun has the maximum what?
A bullet fired from a gun has the maximum what?
If a force of 20 N displaces an object through 2 m and does a work of 20 J, what is the angle between the force and displacement?
If a force of 20 N displaces an object through 2 m and does a work of 20 J, what is the angle between the force and displacement?
If a car of 800 kg increases its speed from 5 m/s to 10 m/s, what is the work done?
If a car of 800 kg increases its speed from 5 m/s to 10 m/s, what is the work done?
If an object of 1 kg is dropped from a height of 30 m, what is the work done by the force of gravity?
If an object of 1 kg is dropped from a height of 30 m, what is the work done by the force of gravity?
If a porter raises a 12 kg object from the surface of the Earth and puts it 1.5 meters above the surface on his head, what is the work done by the porter?
If a porter raises a 12 kg object from the surface of the Earth and puts it 1.5 meters above the surface on his head, what is the work done by the porter?
What is the primary function of a voltmeter?
What is the primary function of a voltmeter?
Which type of voltmeter displays the measured voltage as a numerical value?
Which type of voltmeter displays the measured voltage as a numerical value?
What is the primary function of a galvanometer?
What is the primary function of a galvanometer?
Which instrument would be most appropriate for measuring the voltage across a battery?
Which instrument would be most appropriate for measuring the voltage across a battery?
If a galvanometer is used to detect the presence of an electric current, what would indicate the direction of the current?
If a galvanometer is used to detect the presence of an electric current, what would indicate the direction of the current?
Which instrument would be least suitable for measuring voltage in a circuit?
Which instrument would be least suitable for measuring voltage in a circuit?
Which of the following is used to measure the strength of winds?
Which of the following is used to measure the strength of winds?
What are Korotkoff sounds associated with?
What are Korotkoff sounds associated with?
If a household consumes 100 units of energy in 5 days, how much energy is this in Joules?
If a household consumes 100 units of energy in 5 days, how much energy is this in Joules?
Which of the following instruments does NOT measure the same quantity as the others?
Which of the following instruments does NOT measure the same quantity as the others?
What is the primary purpose of the Beaufort scale?
What is the primary purpose of the Beaufort scale?
Which of the following units is used to measure energy consumption in households?
Which of the following units is used to measure energy consumption in households?