Advertisements
Advertisements
Question
An apple falling from a tree is an example for kinetic energy.
Options
True
False
Advertisements
Solution
An apple falling from a tree is an example for kinetic energy- True.
APPEARS IN
RELATED QUESTIONS
State two factors on which the kinetic energy of a moving body depends.
A bullet of mass 50 g is moving with a velocity of 500 m s−1. It penetrated 10 cm into a still target and comes to rest. Calculate:
- the kinetic energy possessed by the bullet, and
- the average retarding force offered by the target.
If the speed of a body is halved, what will be the change in its kinetic energy?
Which would have a greater effect on the kinetic energy of an object : doubling the mass or doubling the velocity?
Two objects having equal masses are moving with uniform velocities of 2 m/s and 6 m/s respectively. Calculate the ratio of their kinetic energies.
A body of 2 kg falls from rest. What will be its kinetic energy during the fall at the end of 2 s? (Assume g = 10 m/s2)
If an object has 0 momentum, does it have kinetic energy? Explain your answer.
What is energy of motion? Give examples.
A body starts from rest and is acted on by a constant force. The ratio of kinetic energy gained by it in the first five seconds to that gained in the next five-second is:
Find the kinetic energy of a body of mass 5 kg moving with a uniform velocity of 10 m s-1.
