CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Calculate the force required to accelerate a car from rest to a velocity of 30 ms−1 in 10 seconds. The mass of the car is 1500 kg.

A
4000 N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3000 N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
4500 N
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
3500 N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 4500 N

Here, mass m = 1500 kg
Initial velocity, u = 0, final velocity, v = 30 ms1, time taken, t = 10 s.
Now, putting these values in the first equation of motion,v=u+at, we get
30=0+a×t,
10a=30
a=3 ms2
Now, putting m= 1500 kg and a = 3 ms2 in equation, F=m×a, we get
F=1500×3 = 4500 N.
Thus, the force required is 4500 N.


flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Newton's Second Law
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon