CameraIcon

SearchIcon

MyQuestionIcon

1

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

Relative Position

A body of mas...

Question

A body of mass $4 k g$ is acted on by a force which varies as shown in figure. The momentum acquired is:

A

280 N - s

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

B

140 N - s

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

C

70 N - s

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

D

210 N - s

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

Open in App

Solution

The correct option is C $70 N - s$
The area under force verses time graph gives us the impulse of the object and impulse = change in momentum
Total area under the graph $= \frac{1}{2} (b a s e \times a l t i t u d e) + l e n g t h \times b r e a d t h = 20 + 50 = 70$

Suggest Corrections

thumbs-up

0

Similar questions

Q. If a force of

200 N

acts on a body. The momentum acquired is

100 k g

m / s

. What is the period for which force acts on the body?

Q. A body of mass 3 kg is acted upon by a force which varies as shown in the graph below.The momentum acquired is given by :

Q. A unidirectional force F varying with time t as shown in the figure acts on a body of mass 1 kg initially at rest, for a short duration 0.2 sec. Then the velocity acquired by the body is

Q. A body of mass

5 kg

is acted upon by a variable force which varies with the displacement of the body as shown in figure. What is the speed of the body when it has covered

25 m

? (Assume that the body starts from rest.)

Q. Variation of force

F

acting on a body with time

t

is as shown in figure. Change in momentum of the body in the interval

4 s

8 s

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Relative Motion

PHYSICS

Watch in App

explore_more_icon

Explore more

Relative Position

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon