Question

A rocket rises up in air due to the force generated by the fuel. The work done by the

a.
both fuel and force of gravity do positive work

b.
fuel is positive work and by force of gravity is negative work

c.
fuel is negative work and by force of gravity is positive work

d.
both fuel and force of gravity do negative work​

Answer 1

A rocket rises up in air due to the force generated by the fuel. The work done by the

a.

both fuel and force of gravity do positive work

b.

fuel is positive work and by force of gravity is negative work

c.

fuel is negative work and by force of gravity is positive work

d.

both fuel and force of gravity do negative work

_________

Positive work: When a ball is thrown upwards, work done by the force is positive work. b) Negative work: Work done by the gravitational force of the earth on the ball thrown which is thrown upwards

Answer 2

Explanation:

option d is right ans

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