Motion Test

The formula used for calculating Momentum = Mass + Velocity

• True

• False

If the velocity of an object increases, the momentum of the object decreases.

• True

• False

A truck has a mass of 2700kg. It is parked in a supermarket area delivering goods. The momentum produced from the truck is zero.

• True

• False

Momentum is a scalar quantity.

• True

• False

The law of inertia applies to Momentum.

• True

• False

A sprinter is travelling at 9ms⁻¹. The sprinter has a mass of 120kg. What is the momentum of the sprinter?

• 1080 kg ms^-1

• 3888 kg ms^-1

• 108 kg ms^-1

• 129 kg ms^-1

The unit for Momentum is kg ms^-1.

• True

• False

What is the Momentum of a frog that hops at a velocity of 12ms⁻¹ and has a mass of 400g? *hint: you may have to convert something first*

• 4800 kg ms^-1

• 480 kg ms^-1

• 48 kg ms^-1

• 4.8 kg ms^-1

What is the Momentum of a meteorite travelling at 3600ms⁻¹ with a mass of 0.1kg?

• 100 kg ms^-1

• 360 kg ms^-1

• 36 kg ms^-1

• 10 kg ms^-1

What is the velocity of a 0.5kg ball that has a momentum of 3kgms⁻¹ ?

• 6 ms^-1

• 1.5 ms^-1

• 0.2 ms^-1

• 3 ms^-1