Question

(d) We fall side wards when a vehicle takes a sharp turn due inertia of : (
1) Rest (ii) motion (iii) direction (iv) speed (iii) a short duration

(e) Action and reaction always act on : (1) Different bodies (ii) same bodies (
f) The second law of motion gives a measure of : (1) Force (ii)​

Answer 1

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(d) We fall side wards when a vehicle takes a sharp turn due inertia of:

⇥Inertia of direction.

Reason:

We have a tendency to continue in our straight line motion. When an unbalanced force is applied to change the direction of motion of the vehicle, we slip to one side of the seat sue to inertia of direction of out body.

(e) Action and reaction always act on

⇥ Different bodies.

Action and reaction forces are equal and opposite forces that act on different objects.

(f) The second law of motion gives a measure of :

⇥Force

The second law of motion gives us a method to measure the force acting on an object as a product of its mass and acceleration.

F = m×a