KUIZ FIZIK PUSINGAN 2

1. You and an adult elephant falls down a 100 m cliff as shown in the picture. Which of the following has the same magnitude for both you and the elephant?

• Momentum

• Potential energy

• Acceleration

• Impulse

2. A car turning at a constant speed has changing momentum.

• TRUE

• FALSE

3. Can a house fly has the same momentum as a truck?

• YES

• NO

4. According to Newton's second law, if you increase the force applied to an object,

• the object accelerates

• the object decelerates

• the object stops

• the inertia increases

5. Which type of force will cause a change in an object’s motion?

• zero net force

• gravity

• balanced forces

• unbalanced forces

6. Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

• iron

• feathers

• same

• depends on their friction

7. Which of the following angle between Force and Displacement will give you negative work done?

• 0 degree

• 20 degree

• 90 degree

• 140 degree

8. Kinetic energy will be doubled if we double the ___

• speed

• mass

• acceleration

• distance

9. Which of the following will increase the centripetal force?

• Increasing the radius

• Decreasing the mass

• Increasing the velocity

• Decreasing the acceleration

10. Which term best describes the shape of the orbits of planets in our solar system?

• circular

• centripetal

• spherical

• elliptical