Physics SS2

Which of the following is a unit of force?

• Newton (N)

• Joule (J)

• Watt (W)

• Meter (m)

Force is defined as:

• Mass × Velocity

• Mass × Acceleration

• Velocity ÷ Time

• Mass ÷ Time

What is the SI unit of mass?

• Gram (g)

• Kilogram (kg)

• Pound (lb)

• Ton

Speed is defined as:

• Distance × Time

• Distance ÷ Time

• Velocity × Acceleration

• Force ÷ Mass

The rate of change of velocity is called:

• Force

• Acceleration

• Speed

• Distance

Velocity is a:

• Scalar quantity

• Vector quantity

• Constant

• Unitless measurement

Which of the following quantities includes direction?

• Speed

• Distance

• Velocity

• Mass

If a car accelerates uniformly from rest to a velocity of 20 m/s in 4 seconds, its acceleration is:

• 5 m/s²

• 4 m/s²

• 2 m/s²

• 1 m/s²

Distance is:

• A vector quantity

• A scalar quantity

• Both scalar and vector

• None of the above

Displacement is the:

• Total path traveled

• Shortest path between two points

• Product of force and mass

• Scalar quantity