Newton's Second Law and Friction Quiz

What is the angle at which the force is applied to the object?

• 55 degrees

• 45 degrees

• 35 degrees

• 25 degrees

What is the coefficient of friction between the object and the surface?

• 0.20

• 0.15

• 0.12

• 0.10

Which force acts in the opposite direction to the motion of the object?

• Gravitational force

• Normal force

• Frictional force

• Applied force

What trigonometric function is used to find the Y component of the applied force?

• Sine

• Cotangent

• Cosine

• Tangent

What is the Y component of the applied force?

• 12.9 N

• 15.0 N

• 8.6 N

• 10.5 N

How is the normal force affected by the Y component of the applied force?

• It doubles the normal force

• It has no effect on the normal force

• It decreases the normal force

• It increases the normal force

What is the normal force acting on the object?

• 50 N

• 45 N

• 55 N

• 40 N

What is the formula for calculating the frictional force?

• Frictional force = mass × acceleration

• Frictional force = gravitational force × time

• Frictional force = applied force × distance

• Frictional force = coefficient of friction × normal force

What is the acceleration of the object in the X direction?

• 1.45 m/s²

• 1.25 m/s²

• 1.05 m/s²

• 0.85 m/s²

Which forces are considered when calculating the acceleration in the X direction?

• Both the applied and frictional forces

• Only the frictional force

• Both the gravitational and normal forces

• Only the applied force