Retarding Force
Retarding Force
A retarding force , is simply the force that is applied in the direction opposite to the direction of motion and produces deacceleration in a body or it produces negative acceleration. When ever a retarding forced is applied on the body its velocity decreases and with the passage of time the body may stop moving. In a velocity time graph the retarding motion is shown as a straight line with negative slope in case of uniform retarding motion or with a downward curve in the case of a non uniform retarding force. Retarding motion can be shown using velocity-time graph in case of uniform motion as below.
Different examples of retarding motion are:
If a car is traveling north on a straight road and its brakes are applie, it will | |||
| Right Option : B | |||
| View Explanation |
Frictional force can't measured in | |||
| Right Option : D | |||
| View Explanation |
A train of mass 20 metric tonnes, Moving with a velocity of 72 km/hr, comes to rest with a uniform retardation. Before coming to rest it covers a distance of 50m. The magnitude of the retarding force is: | |||
| Right Option : B | |||
| View Explanation |
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