Font size
Worksheetsphysics
Total questions: 29
Worksheet time: 45mins
Say true if the statement is correct or false if it is incorrect. Scalars are quantities that have both magnitude and direction.
It is possible to add two vectors in the same way as adding scalars.
Density is defined as mass of an object per unit volume.
The direction of average acceleration is in the direction of average velocity.
A free falling object is any object moving freely under the influence of gravity alone.
Displacement is the difference between initial and final position of an object.
The elastic modulus for tensile stress is called young modulus.
In vector representation, the arrowhead represents the direction of the vector.
If two cars 10 km apart are traveling toward each other, one with a velocity of 30 m/s and the other is moving at 20 m/s. How long it takes for the two cars to pass each other?
If two vectors A and B have the same magnitude, then what is the minimum value of their sum?
List the three methods of adding vectors.
Mass m = 10 kg is supported by two strings is in equilibrium as shown in figure below. What is the tension in the horizontal string? (sin 30° = 0.5 & cos 30° = 0.86)
Plastic deformation
Permanent and irreversible deformation
First condition of equilibrium
Second condition of equilibrium
Temporary and reversible deformation
........ is the velocity at a specific instant in time.
Change in velocity
Average velocity
Instantaneous velocity
None
Elastic deformation
Permanent and irreversible deformation
First condition of equilibrium
Second condition of equilibrium
Temporary and reversible deformation
Strain
Tangential stress
Force per unit area
The amount of deformation under stress
Dimensionless quantity
A vector with zero magnitude is called....
Unit vector
Null vector
Equal vector
Negative of vector
Shear stress
Tangential stress
Force per unit area
The amount of deformation under stress
Dimensionless quantity
Rotational equilibrium
Permanent and irreversible deformation
First condition of equilibrium
Second condition of equilibrium
Temporary and reversible deformation
Which method is used to add more than two vectors?
Triangle method
Parallelogram method
Polygon method
A stone is dropped from the top of a building in free fall for 2 seconds. What is its velocity?
5 m/s
20 m/s
10 m/s
12 m/s
Two perpendicular vectors have a magnitude of 8 units and 6 units. What is the magnitude of the resultant vector?
14 units
10 units
2 units
8 units
A motorcycle accelerates uniformly into top gear from 14 m/s to 30 m/s in 16 seconds. What is the total distance traveled?
122 m
325 m
352 m
272 m
What is the mass of solid silver ball of radius 20 cm? (Density of silver = 10.5 x 10^3 kg/m^3)
336.6 kg
350.4 kg
320.5 kg
400 kg
Stress
Tangential stress
Force per unit area
The amount of deformation under stress
Dimensionless quantity
Translational equilibrium
Permanent and irreversible deformation
First condition of equilibrium
Second condition of equilibrium
Temporary and reversible deformation
What quantity is represented by the area under velocity-time graph?
Distance
Acceleration
Speed
Displacement
The object's change in velocity can be described by:
Changing direction
Getting faster
Getting slower
All
A ball is dropped from 500 m high cliff. How long does it take to fall to the ground?
1 second
10 seconds
20 seconds
None
