Question

Two bodies of masses m and4m moving with velocity 3v and 2v.Compare their inertia and force needed to stop them​

Answer 1

Explanation:

Since inertia is a measure of mass which is same for both bodies, so the ratio of inertia for two bodies will be

1

1

(b) Momentum

P=m×v

P

1

=m×v=mv

P

2

=m×3v

P

2

P

1

=

3mv

mv

=

3

1

(c) Force

F×T=Momentum

F=

T

Momentum

F

1

=

1

1

F

2

=

1

3

F

2

F

1

=

3

1