Question

Complete the sentences and explain

them.

a. The minimum distance between

the start and finish points of the

motion of an object is called the

……….. of the object.

b. Deceleration is -------- acceleration

c. When an object is in uniform

circular motion, its ………

changes at every point.

d. During collision ......….. remains

constant.

e. The working of a rocket depends

on Newton’s ….…. law of motion.​

Answer 1

Answer:

1) displacement

2) negative

3) direction changes at every point .

Explanation:

1) The minimum distance between the start and finish points of the motion of an object is called the Displacement of the object.

2) Deceleration is negative acceleration. When a body is decelerating, it means its speed is decreasing speed. An acceleration with a negative also shows that the speed of the body is decreasing.

3)When an object is in uniform circular motion it's direction changes at every point .

Answer 2

Answer:

a. displacement

b. negative

c. direction

d. momentum

e. third law

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