Grade 9 Momentum

Which quantity is not scalar?

• displacement

• mass

• time

• length

Which one is scalar?

• force

• momentum

• speed

• acceleration

Which one is not vector?

• acceleration

• force

• momentum

• work done

What is the S.I. units of momentum?

• kg m/s

• newton

• joule

• kelvin

1 kg m/s = 1 Ns

• True

• False

1 N/kg = 1 m/s²

• True

• False

Momentum is defined as _____.

• m × v

• m ÷ v

• v ÷ m

• m + n

Impulse is not the same as change in momentum.

• True

• False

The S.I. units of impulse is _____.

• newton (N)

• newton per kilogram (N/kg)

• newton second (Ns)

• newton meter (Nm)

Impulse is defined as _____.

• none of these