1. Which of the following quantifies the overall effect of a force acting over time? a. Collision b. Impulse c. Momentum d. Velocity
2. An egg is thrown at a wall and at a bed sheet. The force impact will be
a. force is equal c. force is undefined b. greater against the wall d. greater against the sheet
3. What are the two factors that affect the momentum?
a. Time and energy b. Time and velocity c. mass and energy d. mass and velocity
4 A 10 kg boy is jogging on the street and moves with the velocity of 3 m/s going to south. How much is the mamentum of the boy?
a. 3 kg.m/s b. 10 kg. m/s c. 13 kg.m/s d. 30 kg.m/s
5 The grade 9 Jose Rizal students trying to finish the race carrying a 20 kg sacks of sand and their momentum is 30 kg-m/s. How fast are they?
a. 1.5 m/s b. 2.5 m/s c. 3.5 m/s d. 4.5 m/s
6. The bus travels with the force of 10 Newtons in 10 seconds started from 2 seconds. What is the impulse?
a. 60 N-S b. 70 N-S C. 80 N-S d. 90 N-S
7. A man carrying a 0.05 kg rice and he moves 0.05 m/s. How much is the momentum of the man?
a. 0.0025 kg.m/s b. 0.0030 kg.m/s c. 0.0035 kg.m/s d. 0.0040 kg.m/s
8. If an object's momentum is 20 kg-m/s and its velocity is 5 m/s downward, what is its mass?
a. 4 kg b. 5 kg c. 20 kg d. 25 kg
9. If the mass of an object is 3kg, the momentum is 3kg-m/s, what is its velocity?
a. O b. 1 c. 2 d. 3
10. What does the law of conservation of momentum states?
a. Momentum before is less than momentum after
b. Momentum before is more than momentum after
c. Momentum before is the same as momentum after
d. None of the above​