Motion and Force

MM

Mashaal Masha

Oct 12, 2022

Choose the correct options for the following questions.

The average acceleration of a body becomes its instantaneous acceleration when:

Difficulty: Hard

A:

$\triangle \overrightarrow V$ approaches to zero

B:

$\frac{\triangle \overrightarrow{V}}{\triangle t}$ approaches to zero

C:

$\triangle t$ approaches to zero

D:

None

A ball is thrown up vertically above from the ground which then comes down. The time-displacement graph is:

Difficulty: Easy

A:

A straight line

B:

Like that of trajectory of projectile

C:

An irregular-shaped curve

D:

None