Momentum

Question 1

What’s momentum?

Answer 1

Product of mass and velocity

Question 2

Is momentum a vector or scalar quantity?

Answer 2

Vector

Question 3

Give the formula for momentum

Answer 3

Mass X velocity
P=mv

Question 4

How is momentum(p) measured?

Answer 4

Kg m/s

Question 5

What is a closed system?

Answer 5

Something that’s not affected by external forces

Question 6

What’s the principle of conservation on momentum?

Answer 6

The total momentum of a system remains the same

Question 7

Give an example of conservation of momentum

Answer 7

When bodies collide, whatever momentum is lost by one body, the other gains in equal amounts

Question 8

How is momentum conserved?

Answer 8

In collisions or explosions

Question 9

What happens when a resultant force acts on an object that is moving, or able to move?

Answer 9

There’s a change in momentum

Question 10

What two equations can be combined to calculate the force involved when a change in momentum occurs?

Answer 10

F= ma
a=v-u / t ===== f=mv-mu/ t