Question : As we go from the Equator to the North Pole value of 'g', the acceleration due to gravity

Option 1: remains same

Option 2: decreases

Option 3: increases

Option 4: None of the above

Question : Which of the following quantities is a measure of inertia?

Option 1: Velocity

Option 2: Acceleration

Option 3: Mass

Option 4: Weight

Question : What is speed?

Option 1: It is the distance covered by an object in a unit of time

Option 2: It is the velocity of an object per unit time

Option 3: It is the force applied on covering a unit distance

Option 4: It is the acceleration of an object per unit time

Question : Which of the following is the correct statement?

Option 1: Joule is the unit of work

Option 2: The unit of energy is the watt.

Option 3: Joule/ second is also a unit of energy.

Option 4: The unit of power is joule/newton.

Question : The mass of a body measured by a physical balance in a lift at rest is found to be 'm'. If the lift is going up with acceleration 'a', its mass will be measured as:

Option 1: m(1-a/g)

Option 2: m(1+a/g)

Option 3: m

Option 4: zero