Subject :NSO Class : Class 8
Does a falling body accelerate? Why?
A Yes, because the gravity is a force that causes it to move faster.
B No, because the gravity is a force that causes it to move at constant speed.
C Yes, because the air causes it to accelerate.
D No, because air keeps it moving at constant speed.
gravity acts on the mass of the object. the mass doesn't increase mid air. hence the correct option is c
Ans 1:
Class : Class 8
Ans 2:
Class : Class 8
Ans.- (A)
Gravity always accelerates any body's speed when it is coming towards the earth.
g = 9.8 m/s^2
Ans 3:
Class : Class 8
Correct option is A
Ans 4:
Class : Class 8
Correct option is A