Page 2 - HA

(a) 15000 kg km/h

(b) 15000 kg m/s

(c) 54000 kg m/s

(d) 54000 g m/s

5.The acceleration that is produced by a 15N force in a mass of 8 kg will be equal to

−2
(a) 1.5 ms
−2
(b)1.87ms

−2
(c) 2.35 ms

−2
(d) 2ms

6.An object of mass 100kg is accelerated uniformly from a velocity of 4 m/s to 8 m/s in 2
seconds. Calculate the initial and final momentum of the object
(a) 400 kgm/s,800 kgm./s
(b) 100 kgm/s,400 kgm./s
(c) 200 kgm/s,400 kgm./s
(d) 400 kgm/s,400 kgm./s

7.Find the magnitude of the force exerted on the object in the above question?
(a) 250N
(b) 50N
(c)100N
(d) 200 N

Fill in the blanks (BOARD)

1.______ is the SI unit of force.

2.______gives amount of motion contained in a body.
3._______ is the product of mass and velocity.
4.____ is the SI unit of momentum.

5.Impulse is the product of ____ and ____.
6.______ is equals to change in momentum.