Justify,giving proper reasoning,whether the work done in the following case is positive or negative: Work done by gravitational force when a bucket is pulled upwards.
- APositive
- BNegative
- CZero
- DCannot be determined
Explore More
Similar Questions
$(a)$ What is meant by potential energy? Is potential energy a vector or scalar quantity?
$(b)$ Give one example of a body having potential energy.
$(b)$ Give one example of a body having potential energy.
Medium
View SolutionJustify,giving proper reasoning,whether the work done in the following case is positive or negative: Work done by an applied force on a body moving on a rough horizontal plane with uniform velocity.
Easy
View SolutionWater stored in a dam possesses
Easy
View SolutionState whether the following statement is true or false:
Kilowatt hour $(kWh)$ is the unit of power.
Kilowatt hour $(kWh)$ is the unit of power.
Easy
View Solution$(a)$ Define power. Give its $SI$ unit.
$(b)$ Taking the example of a simple pendulum, explain the variations in the forms of energy and the interconversions involved.
$(b)$ Taking the example of a simple pendulum, explain the variations in the forms of energy and the interconversions involved.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo