Question

Identify the correct statement(s):
1. To accelerate the motion of an object, a balanced force is required.
2. Balanced forces do not change the state of rest or of motion of an object.
3. Balanced forces do not produce any acceleration; they can change the shape or size of the body.
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) None of these

Answer 1

The correct statement(s) is/are 2 and 3

• Acceleration occurs when there are unbalanced forces acting on the body.
• An unbalanced force changes the velocity due to which acceleration is observed.
• Also, an balanced force on the body changes the shape or size of it.
• Example : Equal and opposite forces acting on the balloon by hand changes balloon shape and size.

Answer 2

Answer:

(a) 1 and 2

(b) 2 and 3

(c) 1 and 3

(d) None of these

a)