Centripetal Force/ Pendulum Rides

A horse gallops around a circular arena.  The centripetal force on the horse is ___.

• directed outward
• tension
• directed toward the center of the arena
• 9.8 N

Which of the following is the unit for centripetal force?

• J
• m/s²
• kg⋅m/s
• N

Which of the following increase the centripetal force?

• Increasing the radius
• Increasing the velocity
• Decreasing the mass
• Decreasing the acceleration

The centripetal force of satellites is similar to gravitational force because they are both a net force towards the center of earth.

• True
• False

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

moving or tending to move toward a center...

• centripetal force

• centrifugal force

• Tangent

• Curvature

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following terms means "center seeking"?

• centrifugal
• centrifuge
• centripetal
• centenarian

As a pendulum gets longer, what happens to the period?

• doesn't change

• decreases

• increases

Which of the following affects the period of a pendulum?

• mass

• length of the string

• tension of the string

• shape of the mass on the string

What is the period of a pendulum

• how many times the pendulum swings before it stops

• how many times the pendulum passes a point in one second

• one complete cycle (complete to and fro motion)

• one complete cycle bouncing up and down

You pump your legs to provide enough _________ to increase the height of the swing's arc, and enjoy the increased velocity of the downward swing.

• energy

• speed

• force

• gravity

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5