Forces

Describe the forces and motion at Section 2 of the track.

• Balanced forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

What force causes the acceleration at Section 4?

• Force of Gravity Increases the  Speed
• Force of Gravity Decreases the Speed
• Force of Friction Increase the speed
• Force of Wind resistance Increases the Speed

Based on the chart provided, which statement is true about the motion of the car down the ramp. 

• The force against the car remains the same for each material.
• The force against the car changes based on the material.
• The force pulling the car down the ramp changes based on the material.
• The force pulling the car down the ramp increases for each material.

Describe the forces and motion at Point 3. 

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

Describe the forces and motion at Point 1.

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

Determine the forces and motion of the car.

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the motion of the cart as a result of the forces?

• It slows down to a stop.
• It accelerates to the left. 
• It continues moving at a constant speed.
• It changes direction and travels in a circular path. 

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move in both directions.