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UNIT III: Laws of motion
- Online Test
UNIT III: Laws of motion
TEST : 2
# UNIT III: Laws of motion
# TN 11th Physics
Prepare / Learn
Q1.
When an object is at rest on the inclined rough surface,
A.
static and kinetic frictions acting on the object is zero
B.
static friction is zero but kinetic friction is not zero
C.
static friction is not zero and kinetic friction is zero
D.
static and kinetic frictions are not zero
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT III: Laws of motion
# TN 11th Physics
Prepare / Learn
Q2.
The centrifugal force appears to exist
A.
only in inertial frames
B.
only in rotating frames
C.
in any accelerated frame
D.
both in inertial and non-inertial frames
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT III: Laws of motion
# TN 11th Physics
Prepare / Learn
Q3.
Choose the correct statement from the following
A.
Centrifugal and centripetal forces are action reaction pairs
B.
Centripetal forces is a natural force
C.
Centrifugal force arises from gravitational force
D.
Centripetal force acts towards the center and centrifugal force appears to act away from the center in a circular motion
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT III: Laws of motion
# TN 11th Physics
Prepare / Learn
Q4.
If a person moving from pole to equator, the centrifugal force acting on him
A.
increases
B.
decreases
C.
remains the same
D.
increases and then decreases
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
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