A Level 6 Momentum

What is NOT correct description of momentum?

• How hard to move a resting object

• How much particles inside the object

• How hard to stop moving object

• How hard to change the motion of an object

Linear momentum is talking about the motion of an object in non straight direcion.

• TRUE

• FALSE

How to calculate momentum?

• mass x velocity

• mass ÷ velocity

• velocity ÷ mass

• mass - velocity

Which statement is correct based on the diagram?

• The ball has more momentum than the car.

• The car is easier to move from the rest than the ball.

• The ball is more difficult to stop than the car.

• The car has more momentum than the ball.

Momentum is scalar quantity

• TRUE

• FALSE

Direction of momentum is ....

• following the direction of mass

• following the direction of velocity

• following the combination direction of mass & velocity

A snooker ball has mass of 0.2 kg. It moves with velocity of 2 ms^-1. What is its momentum?

• 0.4 kgms^-1

• 0.1 kgms^-1

• 0.4 Ns^-1

• 0.1 Ns^-1

A cyclist with mass of 50 kg. Its momentum is 1000 kgms^-1. What is its velocity?

• 50 000 kgms^-1

• 20 kgms^-1

• 200 kgms^-1

• 500 kgms^-1

Choose any correct unit of momentum.

• Ns

• Ns^-1

• kgms^-1

• kgms

Choose any correct unit of impulse.

• Ns

• Ns^-1

• kgms^-1

• kgms