Physicshard · Past Paper
When a ball is thrown upwards, the work done by the gravitational force is:
APositive
BNegative
CZero
DNone of the above
✓ Correct Answer: B — Negative
Gravitational force acts downwards while the displacement is upwards. Since they are in opposite directions, work done is negative.
Share this question
More from Physics
- Which of the following materials has the highest refractive index?
- If a body moves 4m North and then 3m South, its displacement is:
- Which rule is used to find the direction of force on a current-carrying conductor in a magnetic field?
- A bullet of mass 10g is fired with a velocity of 400 m/s. What is its KE?
- What is the value of acceleration due to gravity on Earth?