Newton's First Law and Forces Quiz

What is the unit of force used in physics, named after a famous scientist?

• Joule

• Newton

• Watt

• Pascal

How can you conceptually understand the force of one newton?

• As the force needed to lift a feather

• As the force exerted by a small apple

• As the force required to move a car

• As the force of a gentle breeze

What is the key difference between vector and scalar quantities?

• Vectors have magnitude only

• Scalars have direction only

• Scalars have both magnitude and direction

• Vectors have both magnitude and direction

According to Newton's First Law, what happens to an object at rest?

• It will start moving on its own

• It will remain at rest unless acted upon by an unbalanced force

• It will increase in mass

• It will change its shape

What term describes an object's resistance to changes in its state of motion?

• Momentum

• Inertia

• Velocity

• Acceleration

What is the net force on an object when it is in equilibrium?

• Equal to the applied force

• Equal to the gravitational force

• Zero

• Equal to the frictional force

In a scenario where forces are balanced, what is the net force acting on the object?

• Zero

• Negative

• Positive

• Equal to the largest force

How do you calculate the net force when forces are acting in two dimensions?

• By subtracting the smallest force from the largest

• By multiplying all forces together

• By using vector addition and trigonometry

• By adding all forces directly

What trigonometric function is used to find the horizontal component of a force at an angle?

• Sine

• Cosine

• Tangent

• Cotangent

When resolving a force into components, which component is found using the sine of the angle?

• Horizontal

• Vertical

• Diagonal

• Resultant