Phy 101 Past Question and Answers Page 2
In this article we will be uploading the PHY 101 Past Question Paper and the possible solution, if the solutions are not yet complete please contact us on whatsapp.
QUESTION NUMBER 12
If a lift is going up with acceleration, the apparent weight of a body is
A. more or less the true weight
B. equal to the true weight
C. Less than the true weight
D. more than the weight
ANSWER: D
QUESTION NUMBER 13
The change in momentum per second is proportional to?
A. Mass
B. Temperature
C. Force
D. Energy
ANSWER: C
QUESTION NUMBER 14
For an object in an inclined plane to be in equilibrant, the sum of all the component of the forces along the plane must be
A. Unity
B. Infinite
C. Zero
D. Finite
ANSWER: C
QUESTION NUMBER 15
The dimension of pressure
A. ML?T-2
B. ML-IT-2
C. ML-2T-2
D. ML-17-2
ANSWER: A
QUESTION NUMBER 16
The distances, moved by an object in t
seconds is s = 20t -+?, at what time will its
speed be 10m/S
A. 3.5secs
B. 4secs
C. 6secs
D. 5secs.
ANSWER: B
QUESTION NUMBER 17
If p = 7i – 3j + k and q = 4i + 5j -2k. Find p.a
A. 13
B. 12
C. 11
D. 15
ANSWER: D
QUESTION NUMBER 18
The coefficient of dynamical friction depends on
A. Magnitude of the frictional force
B. Area of objects in contact
C. Direction of motion
D. Nature of surface in contact.
ANSWER: B
QUESTION NUMBER 19
The Unit of coefficient of viscosity is
A. Kgm-1s-1
B. kgm-2s-1
C. kgm-‘s-‘
D. kgm?s?
ANSWER: A
QUESTION NUMBER 20
When a motorcyclist leans inward while negotiating a bend, his weight, mg, and the normal reaction, R forms a
A. Moment
B. Couple
//C//Friction
C. Torque
ANSWER: B
QUESTION NUMBER 21
The period of a rotating disc performing
SHM on a table top is 2.0secs. Calculate the maximum amplitude of the motion of the disc that would allow the disc to remain in contact with the table top (g = 10ms-2).
A. 0.2m
B. 0.1m
C. 1m
D. 0.5m
ANSWER: B
QUESTION NUMBER 22
Which of the following is true of conservative field
A. Total work done is zero
B. Total work done is infinite
C. Total work done is unity
D. Total work done is greater than unity
ANSWER: A
