Centre of Mass

The adjacent hoop has a diameter of 1 meter, what are the coordinates of its centre of mass

• 1,1
• 0.5,1
• 0.5,0.5
• 1,0.5

why is the car on the left unstable?

• Its centre of mass is high
• it has a narrow base
• it has a high height
• all of the above

why is the car on the right more stable?

• Its centre of mass is higher
• it has a wider base
• it has more height
• all of the above

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-PS2-4

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

• more
• less
• equal
• None of the above

Tags

NGSS.MS-PS2-2

The torque of the right side of this broom is ---- the left side.

• more than
• less than
• equal to
• None of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The centre of mass can be located in the emptiness of the object.

• yes
• no

the centre of mass of a triangle is the meeting point of

• bisectors
• heights
• medians
• perpendiculars

this cupboard is filled with boxes. will it topple over ?

• it will
• it will not
• it will if the weight remains inside the base

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the centre of mass ?

• it is a single point at which the object can balance.
• The mass is distributed equally around it.
• the centre of gravity of the object
• All of the above

where is the centre of mass of this image

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