ADF ADF Mechanical Reasoning 2

Question 1

A force of 10 N is applied at the rim of a wheel with a radius of 0.5 m. What is the torque produced?

Accepted Answer

5 Nm

Answer

0.5 Nm

Answer

10 Nm

Answer

20 Nm

Question 2

Two objects of different mass are dropped simultaneously from the same height in a perfect vacuum. What happens?

Accepted Answer

Both objects hit the ground at the same time

Answer

The heavier object hits first

Answer

The lighter object hits first

Answer

The result depends on the objects' shapes

Question 3

According to Pascal's Law, what happens to pressure when force is applied to a confined fluid?

Accepted Answer

Pressure is transmitted equally throughout the fluid

Answer

Pressure increases only at the point of application

Answer

Pressure decreases at the far end of the fluid

Answer

Pressure is absorbed by the container walls

Question 4

A bolt has a thread pitch of 2 mm. How many complete turns are required to advance it 10 mm into a surface?

Accepted Answer

5 turns

Answer

2 turns

Answer

10 turns

Answer

20 turns

Question 5

In a circuit, if resistance doubles while voltage remains constant, what happens to the current?

Accepted Answer

Current halves

Answer

Current doubles

Answer

Current stays the same

Answer

Current quadruples

Question 6

What is the primary purpose of ball bearings in a mechanical system?

Accepted Answer

To reduce friction between rotating and stationary parts

Answer

To increase friction for better grip

Answer

To provide structural load-bearing support only

Answer

To add mass for stability