Physics
When a running car stops suddenly, the passengers tends to lean forward because of:

Gravitational force
Inertia of motion
Centrifugal force
Inertia of rest

ANSWER DOWNLOAD EXAMIANS APP

Physics
A standing wave occurs when

The speed of the wave is zero or near zero
Two waves overlap
The amplitude of a wave exceeds its wavelength
A wave reflects upon itself

ANSWER DOWNLOAD EXAMIANS APP