Question

7. The particle performing uniform circular motion experience some force continuously towards

centre called [ ]

A) centripetal force B) centrifugal force

C) central force D) both a and c

8. A car of mass 500 kg taking a turn of radius 100m with a speed of 20m/s. the centripetal force

acting on the car is, [ ]

A) 20 N B) 200 N C) 2000 N D) 2 N

9. Centripetal force acting on a body moving in a circular path of radius 60m is 100N. If the body is

moving with 10m/s, find its mass [ ]

A) 6000 kg B) 600 kg C) 60 Kg D) 6 Kg

10. SI unit is centripetal acceleration is [ ]

A) N m/s2

B) m/s2

C) Kg m/s2 D) m/s​

Answer 1

Answer:

( 7 )centripetal force ( 10 ) m/s2

Answer 2

Answer:

7) A centripetal force