You visited us 1 times! Enjoying our articles? Unlock Full Access!

Second Law of Motion

What amount o...

Question

What amount of force will change the speed of a body of mass 1 kg from 20 m/s to 30 m/s in 2 seconds?

2 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

25 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

5 N

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 5 N
Average force is equal to change in velocity per unit time and then multiplied by the mass of the object.
$F = \frac{m (v - u)}{t} = \frac{1 (30 - 20)}{2} = 5 N$

Suggest Corrections

Similar questions

m s^{- 1}

m s^{- 1}

1 k g

20 {m s}^{- 1}

30 {m s}^{- 1}

A .

s^{- 1}

B .

s^{- 1}

s^{- 1}

What force can change the velocity of a body of mass 1kg from 20 m/s to 30m/s in 2 seconds?

1 k g

20 N

10

10

Join BYJU'S Learning Program