Force essentials Quiz 1

Question 1

An object of mass $$M$$ stands in an elevator accelerating upwards at the rate of $$(a)m{{s}^{-1}}$$. Find the normal force $$N$$, exerted on the object by the floor of the elevator.

Accepted Answer

$$N=m(g+a)$$

Answer

$$N=mg$$

Answer

$$N=m(g-a)$$

Answer

$$N=ma$$

Question 2

Four forces are given below, except one, three are related to each other by any means. You need to find out which one is the unique out of them

Accepted Answer

Nuclear Force

Answer

Tension

Answer

Viscous Drag

Answer

Frictional Force

Question 3

When we open the door, by Pushing it or by pulling it. It can be defined as an example of?

Accepted Answer

Contact Force

Answer

Electrostatic Force

Answer

Gravitational Force

Answer

None of the above

Question 4

Talking about the strength of different fundamental Forces, Find the correct series.

Accepted Answer

Nuclear Force $$ > $$ Electrostatic Force $$ > $$ Gravitational Force

Answer

Nuclear Force $$ > $$ Gravitational Force $$ > $$ Electrical Force

Answer

Electrostatic Force $$ > $$ Nuclear Force $$ > $$ Gravitational Force

Answer

None of the above

Question 5

Out of the following select the one which can act over a long distance

Accepted Answer

Gravitational Force

Answer

Frictional Force

Answer

Nuclear Force

Answer

Electrostatic Force