CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

A ball is thrown vertically upwards. Determine the work done by gravity when the ball travels upto a height of 15 m. Mass of the ball =1 kg. Acceleration due to gravity (g) =10 m/s2.

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

The correct option is C 150 J
We know that work done by gravity (Wg) is given by
Wg=F.S, here force due to gravity is its weight mg and displacement is given as, S=15 m

Hence workdone will be

Wg=mg s cos 180=1×10×15
Wg=150J

Hence option C is the correct answer

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
The Work Done as a Dot-Product
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon