Advertisements
Advertisements
प्रश्न
Draw a neat labeled diagram to show the direction of two forces acting on a body to produce rotation in it. Also mark the point about which rotation takes place.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Name a common device where a gear train is used
A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of the force. What should be the value of θ to get the maximum positive work?
Differentiate between energy and power.
Find the kinetic energy of a body of mass 1 kg moving with a uniform velocity of 10 m s-1.
A girl weighing 400 N climbs a vertical ladder. If the value of g be 10 m s−2, the work by her after climbing 2 m will be :
Choose one or more correct alternatives.
Joule is the unit of ______.
- force
- work
- power
- energy
What is the work done when the object acted upon by a force remains at rest?
A cricket ball is thrown up from the earth's surface. What happens to its P.E.
(a) during the motion
(b) at the highest point?
State the energy changes which take place when An electric bulb glows when it is connected to a source of electric current.
