Joint Entrance Examination (Main)

Question 1

If an object is moving in a straight line with a constant speed, what can you conclude about the net force acting on it?

Accepted Answer

The net force is zero.

Answer

The net force is in the direction of motion.

Answer

The net force is increasing over time.

Answer

The net force is constant and non-zero.

Question 2

Which unit is used to measure electrical resistance?

Accepted Answer

Ohm

Answer

Volt

Answer

Ampere

Answer

Watt

Question 3

If a car travels at a steady speed in a perfectly straight line, what does this tell us about the total force affecting it?

Accepted Answer

There is no net force acting on the object

Answer

The force is moving it forward

Answer

The force is increasing over time

Answer

The force is equal to the speed

Question 4

What is the standard measurement unit used for electrical resistance?

Accepted Answer

Ohm

Answer

Volt

Answer

Ampere

Answer

Watt

Question 5

Which particle within an atom carries a negative charge?

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Positron

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