Advertisements
Advertisements
प्रश्न
In case of negative work, the angle between the force and displacement is :
विकल्प
0°
45°
90°
180°
Advertisements
उत्तर
Work done is negative when the direction of force is opposite to the direction of motion. So, the angle between force and displacement in the case of negative work is .
Therefore, the answer is, (d) 180°
APPEARS IN
संबंधित प्रश्न
Why is a jack screw provided with a long arm?
A coolie does no work against the force of gravity while carrying a luggage on a road.
A force of 30 N acts on a body and moves it through a distance of 5 m in the direction of force. Calculate the work done by the force.
A boy does work when he pushes against a brick wall. (yes/no).
Write an expression for work done by a force depends?
Fill in the boxe to show the corresponding energy transformation.
Calculate the work done when:
A 5 kg weight is lifted 10 m vertically. (g = 9.8 m/s2)
What is work?
