Page 21 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020

PSPM SP015

PSPM CHAPTER 3: MOMENTUM AND IMPULSE
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Momentum and Impulse

UPS 2012/2013 SF016 No. 2(a)(i)

1. Define momentum and state its SI unit. [2 m]

UPS 2013/2014 SF016 No. 2(a)

2. (a) State whether linear momentum is a scalar or a vector quantity. [2 m]

(b) When a person is involved in a car accident, the injury in a head-on collision as
opposed to being hit from behind. Explain your answer. [2 m]

PSPM 2002/2003 SF017/2 No. 11(a)

3. (a) Define impulse. [1 m]

(b) Base on FIGURE 3.1, what represents impulse? [2 m]

F (N)

0 t (s)

FIGURE 3.1

PSPM JUN 1999/2000 SF015/2 No. 11(a)(ii)

4. Net force of 8.0 N acts on an 18 kg body for one minute. Determine the impulse due to
-1
the force. If the final velocity is 60.0 m s , calculate the initial velocity of the body.
[2 m]

PSPM 2010/2011 SF017/2 No. 1

5. A 50 g marble is released from a height of 1 m above the floor. Calculate its momentum
just before hitting the floor. [3 m]

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