a. Magnitude
b. Direction
c. Magnitude & Direction
d. Motion
2. Which one is a scalar quantity?
a. Acceleration
b. Displacement
c. Speed
d. Velocity
3. What is the rate of acceleration of gravity?
a. 10 m/s/s
b. 9.8 m/s/s
c. 6.8 m/s/s
d. 7.8 m/s/s
4. Vectors are the quantities that are described by _______________
a. Both magnitude & direction
b. Velocity
c. Magnitude
d. Direction
5. What does Displacement refer to?
a. It refers to how much ground an object has covered
b. It refers to how far out of place an object is
c. It refers to how fast an object is moving
d. It refers to the rate at which an object changes its position
6. Speed is __________________________________________
a. Scalar quantity which does not keep track of direction
b. Scalar quantity which keeps track of direction
c. Vector quantity which does not keep track of direction
d. None of above
7. Acceleration is _____________________________________
a. The speed at any given instant in time
b. The rate at which an object moves
c. The rate at which an object changes its velocity
d. None of the above
8. The acceleration of an object is _________________________
a. Directly proportional to force
b. Inversely proportional to mass
c. Directly proportional to force and inversely proportional to mass
d. Directly proportional to mass and indirectly proportional to force
9. Increasing force tends to __________ while increasing mass tends to ______________
a. Increase acceleration, decrease acceleration
b. Increase acceleration, increase acceleration
c. Decrease acceleration, increase acceleration
d. Decrease acceleration, decrease acceleration
10. ‘An object at rest stays at rest and object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.’ This is which law of
Newton?
a. First law of motion
b. Second law of motion
c. Third law of motion
d. None of the above