Question

Q1 ] GIVE REASONS. [6]
It is easy to swim in a swimming pool than in a river.
When a bullet fired from a gun strikes a target , the target becoms hot.
The velocity of an object at rest is considered to be uniform.
Q.2 ] GIVE AN EXAMPLE OF LAW OF CONSERVATION OF MOVEMENTUM. [2]
Q.3. ] DIFFERENENCIATE . [4]
1. Work and energy.
2. Kinetic energy and potential energy.
Q.4.] WRITE DEFINITIONS. [3]
1. Law of conservation of movementum.
2. Newton’s 3 rd. law of motion.
3. Potential energy.
Q. 5. ] A force of 20 N. acts on a body. If the displacement of the body is 0.6 m. in the direction
opposite to that of the force, calculate the work done by the force. [2]
Q. 6.] STATE CGS and SI units of power and write relation between them. [2]
Q. 7.] A body of mass 10 kg. moves with a velocity of 5 m. per second. Find it’s momentum. [1]​

Answer 1

Answer:

1. I can only give the answer of Q.3 part 2
2. please mark me as brainlist please

Explanation:

Potential energy is energy stored in an object due to its position or arrangement. Kinetic energy is energy of an object due to its movement - its motion. ... Potential energy can be converted into kinetic energy, and kinetic energy can be converted into potential energy.