Exit Ticket: Center of Mass

Where will be the centre of mass of a uniform rod lies ?

• At its end

• At its middle point

• At its centre of its cross sectional area

• Depends upon its material

the mass of the right side is ------ compared to the left side.

• more
• less
• equal
• None of the above

Tags

NGSS.HS-PS2-1

where is the centre of mass of this image

• at 20 mark
• at 42.5 mark
• at 50 mark
• at 100 mark

Which is the most likely location of the  paintbrush's center of mass?

• Location 1
• Location 2
• Location 3
• Location 4

Tags

NGSS.HS-PS2-1

A heavy truck on wheels has a platform to attach to it. A man stands on the platform. The truck does not fall over.

Which position A, B, C, or D could be the centre of mass of the whole system (truck, platform and man) ?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Two trucks are parked along a straight road. One truck has a mass of 8,000 kg and is located 20 m from a reference point. The second truck has a mass of 12,000 kg and is located 50 m from the same reference point. Where is the center of mass of the system?

• 35 m

• 38 m

• 42 m

• 46 m

How does the center of mass of a system change if mass is added to one side?

• It shifts towards the added mass

• It shifts away from the added mass

• It remains unchanged

• It depends on the shape of the system