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Theory

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Simulation

Posttest

References

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Verification of impulse momentum principle

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Beginner

Intermediate

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1. The impulse-momentum equation in fluid mechanics states that the impulse applied to a fluid is equal to

a: Change in kinetic energy Explanation

Explanation

b: Change in potential energy Explanation

Explanation

c: Change in momentum Explanation

Explanation

d: None of above Explanation

Explanation

2. If a jet of water strikes a stationary curved plate at its center, the force exerted by the jet is

a: In the direction of jet Explanation

Explanation

b: Depends on curvature plate Explanation

Explanation

c: zero Explanation

Explanation

d: at 90 degree Explanation

Explanation

3. Momentum is a ______ quantity

a: vector Explanation

Explanation

b: scalar Explanation

Explanation

c: infinite Explanation

Explanation

d: zero Explanation

Explanation

4. What is the SI unit of impulse?

a: N/m Explanation

Explanation

b: N/s Explanation

Explanation

c: m₂/N Explanation

Explanation

d: m/n Explanation

Explanation

5. What is the SI unit of momentum?

a: kgm/s Explanation

Explanation

b: kgm/s₂ Explanation

Explanation

c: kgm.s₂ Explanation

Explanation

d: kg/s Explanation

Explanation

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