Page 1 - System WS-1#141507070122

Worksheet-1

Sub-topic-CM

1 Vehicles are made heavy at the base in order to

a. decrease center of gravity

b. increase center of gravity

c. decrease weight

d. increase weight
2 If the force is applied at the center of mass then torque is

a. maximum

b. zero

c.1

d. infinity

3 Point where force causes system to move without rotation is

a. center of mass

b.mid point of body

c. edge of the body

d. none of above
4 To lower their center of mass, circus artists use

a. short poles

b. long poles

c. heavy costumes