Mock 3 - FE - PHY

500 kts equals to:

• 926 km/hr

• 926 mph

• 1852 km/hr

• None of the answers is correct.

If a constant force is applied, how does mass affect acceleration?

• Acceleration is directly proportional to mass

• Acceleration is inversely proportional to mass

• Mass and acceleration are independent

• None of the above

What is the unit of momentum in the International System of Units (SI)?

• Kg.m/s

• g.m/s²

• Kg.m/s²

• None of the answers is correct.

When two forces act in opposite directions on the same object, what determines the net force?

• The force with the greater magnitude will determine the net force direction.

• The force with the lesser magnitude will determine the net force direction.

• The net force is always zero regardless of the magnitudes.

• All forces cancel each other out completely.

How long does it take for an object to fall freely from a height of 320 meters? (Assume no air resistance and gravity acceleration is 10 m/s²).

• 8 seconds

• 16 seconds

• 32 seconds

• None of the answers is correct.

When a falling object reaches terminal velocity, which of the following is true?

• The object continues to accelerate.

• The net force acting on the object is zero.

• The object stops moving.

• Air resistance becomes negligible.

Convert 2750L into m³.

• 2.75 cubic meter

• 27.5 cubic meter

• 0.275 cubic meter

• None of the answers is correct.

Identify the correct interaction between electric charges.

• Like charges attract each other.

• Unlike charges repel each other.

• Like charges repel each other.

• None of the above.

When a plastic rod is rubbed with wool, the charges developed on wool and the rod respectively:

• Positive, Positive

• Negative, Positive

• Positive, Negative

• Negative, Negative

The kinetic energy of molecules in a substance is primarily influenced by:

• Density

• Pressure

• Specific heat

• Temperature