PreUPS1set1

1. Dimension for mass and distance are

• A. M and D

• B. kg and m

• C. M and L

• D. T and L

2. Force is a vector quantity. What are another vector quantities?

• A. Momentum and mass

• B. Speed and velocity

• C. Velocity and acceleration

• D. Time and acceleration.

3. Example scalar quantity is

• A. Displacement

• B. Force

• C. Acceleration

• D. Work

4. Define speed

• A. Displacement per time

• B. Distance per time

• C. Velocity per time

• D. Acceleration per time

5. Displacement can be determined from ______ velocity-time graph

• A. Gradient

• B. Area under

• C. Slope

• D. Lowest point

6. Acceleration is

• A. Work done per time

• B. The product of mass and force

• C. Velocity per time

• D. Displacement per time

7. In projectile motion, which quantity still same?

• A. Vertical velocity

• B. Horizontal velocity

• C. Acceleration for horizontal component

• D. Horizontal displacement

8. What is value for vertical acceleration at maximum height?

• A. Same with initial point

• B. Zero

• C. Less than initial point

• D. Greater than initial point

9. The product of mass and velocity is _____

• A. Impulse

• B. Acceleration

• C. Inertia

• D. Momentum

10. Which is false about impulse

• A. Unit is Ns

• B. Change in momentum

• C. Product of impulsive force and time interval

• D. Scalar quantity