Podcast
Questions and Answers
What is the value of the acceleration due to gravity (g) on Earth?
What is the value of the acceleration due to gravity (g) on Earth?
- 9.5 ms–2
- 9.8 m/s2 (correct)
- 6.67 × 10–11 Nm2/kg2
- 6.4 × 106 m
What is the formula for weight of an object on Earth?
What is the formula for weight of an object on Earth?
- $W = m - g$
- $W = m \div g$
- $W = m \times g$ (correct)
- $W = m + g$
If an object is just let fall from a height, what is the initial velocity (u)?
If an object is just let fall from a height, what is the initial velocity (u)?
- -9.8 ms–2
- 6 × 1024 kg
- 0 (correct)
- 9.8 m/s2
What is the measure of inertia of an object?
What is the measure of inertia of an object?
What does the weight of an object depend on?
What does the weight of an object depend on?
What happens to the final velocity of an object projected vertically upward at its maximum height?
What happens to the final velocity of an object projected vertically upward at its maximum height?
What is the universal law of gravitation?
What is the universal law of gravitation?
What is the SI unit of the universal constant G?
What is the SI unit of the universal constant G?
What is the importance of the universal law of gravitation?
What is the importance of the universal law of gravitation?
What happens when an object falls towards the earth under gravitational force alone?
What happens when an object falls towards the earth under gravitational force alone?
What is acceleration due to gravity denoted by?
What is acceleration due to gravity denoted by?
If an object is placed on the earth, what is 'd' equal to in the equation for gravitational force?
If an object is placed on the earth, what is 'd' equal to in the equation for gravitational force?
