Forces and Trigonometric Functions

This video tutorial explains how to draw free body diagrams and calculate net force in two dimensions. It covers breaking forces into x and y components using trigonometry, calculating these components, and determining the net force. Finally, it demonstrates how to use the net force to find the acceleration of a sled using the equation F=ma.

What is the total mass of the sled used in the scenario?

• 20 kg

• 15 kg

• 10 kg

• 5 kg

What is the force applied to the sled?

• 80 N

• 90 N

• 70 N

• 60 N

Which trigonometric function is used to find the x-component of a force?

• Tangent

• Sine

• Secant

• Cosine

What is the x-component of the force applied to the sled?

• 60 N

• 50 N

• 69.3 N

• 40 N

Which trigonometric function is used to find the y-component of a force?

• Cotangent

• Sine

• Cosine

• Tangent

What is the y-component of the force applied to the sled?

• 40 N

• 50 N

• 30 N

• 20 N

What is the net force in the x-direction?

• 29.3 N

• 59.3 N

• 39.3 N

• 49.3 N

What is the net force in the y-direction?

• 0 N

• 10 N

• 20 N

• 30 N

What is the total force applied to the sled?

• 49.3 N

• 39.3 N

• 29.3 N

• 19.3 N

What is the acceleration of the sled?

• 3.93 m/s²

• 2.93 m/s²

• 1.93 m/s²

• 4.93 m/s²