Weight,Mass And Gravity

Question 1

What is Mass

Answer 1

Mass is just the amount of matter (stuff) in an object

Question 2

What is Mass mearsured in

Answer 2

Its measured in kilograms (kg)

Question 3

What is a centre of mass

Answer 3

The centre of mass is the point at which the object will balance

Question 4

What is weight

Answer 4

Weight is the force acting on an object due to gravity

Question 5

What is weight measured in

Answer 5

Weight is measured in Newtons (N)

Question 6

Where does weight act upon

Answer 6

The force of weight acts upon the objects centre of mass

Question 7

What does weight depend on

Answer 7

The weight of an object depends on its mass and the strength of the gravitational field it’s in

Question 8

What equipment can weight be measured on

Answer 8

Weight can be measured with a calibrated spring balance or newtonmeter

Question 9

How can you calculate weight

Answer 9

You can only calculate weight of an object if you know its mass (m) and the strength of the gravitational field that it is in (g)

Question 10

Whats the equation for weight

Answer 10

Weight (N) = Mass (kg) x Gravitational Field Strength (N/kg)

Question 11

Whats Gravitional Field for Earth

Answer 11

For Earth, g is around 9.8 N/kg

Question 12

Are mass and weight Directly Proportional

Answer 12

Yes Mass and Wight are Directly Proportional

Question 13

What is the Direct Proportionality symbol

Answer 13

W ∝ m