General Physics 1 Quiz

Which of the following is a scalar quantity?

• Displacement

• Velocity

• Force

• Speed

What is the acceleration of an object in free fall near Earth's surface?

• 8.9 m/s²

• 9.8 m/s²

• 10.2 m/s²

• 12.5 m/s²

Newton's first law is also known as the law of:

• Acceleration

• Inertia

• Action and Reaction

• Universal Gravitation

Which of the following statements about force is true?

• Force is not required to maintain motion

• Force is a scalar quantity

• Force is a vector quantity

• Force does not affect an object's motion

If the net force on an object is zero, what happens to the object?

• It must be moving at a constant velocity

• It must be at rest

• It must be accelerating

• It could be either at rest or moving at a constant velocity

Work is defined as:

• Force divided by distance

• Force multiplied by displacement in the direction of the force

• Force multiplied by acceleration

• Force divided by time

The unit of power in the SI system is:

• Joule

• Watt

• Newton

• Pascal

An object with mass 2 kg moves with a velocity of 3 m/s. What is its kinetic energy?

• 9 J

• 6 J

• 12 J

• 18 J

The momentum of an object is given by the product of its:

• Mass and velocity

• Mass and acceleration

• Force and distance

• Velocity and acceleration

An object rotates at a constant speed. What happens to its angular velocity?

• It increases

• It decreases

• It remains constant

• It becomes zero