Balanced and Unbalanced Forces

Balanced and Unbalanced Forces

Multiple Choice

A bus travels 20 km in 30 minutes. What is the average speed of the bus?

• 20 km/hr

• 30 km/hr

• 40 km/hr

• 50 km/hr

Multiple Choice

A bicycle rider is traveling up a hill. When the rider reaches the top of the hill, she stops to rest. Then she travels down the hill. The diagram shows the rider in the three different positions.

Which of these correctly describes the potential energy and the kinetic energy of the bicycle rider?

• When the rider is at the top of the hill, her potential energy is the greatest, and her kinetic energy is the least.

• As the rider moves up the hill, her kinetic energy increases, and her potential energy decreases.

• When the rider goes down the hill, her potential energy increases, and her kinetic energy decreases.

• As the rider reaches the bottom of the hill, her kinetic energy and her potential energy decrease.

Multiple Choice

• Balanced

• Unbalanced

Multiple Choice

• Balanced
• Unbalanced

Open Ended

Is this Balanced or Unbalanced?

What is the Net Force?

What is the Direction of the Force?

Open Ended

Is this Balanced or Unbalanced?

What is the Net Force?

What is the Direction of the Force?

Open Ended

Is this Balanced or Unbalanced?

What is the Net Force?

What is the Direction of the Force?

Open Ended

Is this Balanced or Unbalanced?

What is the Net Force?

What is the Direction of the Force?

Open Ended

Is this Balanced or Unbalanced?

What is the Net Force?

What is the Direction of the Force?