A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination. In each case, the ball will _____________

Reach the bottom at an unpredictable time

Reach the bottom at the same time

Will take longer time to roll down one plane

Reach the bottom at an unpredictable time

Reach the bottom at the same time and keeps rolling

A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination. In each case, the ball will reach the bottom _____________

With different speed but same time

Explore topic-wise MCQs in Engineering Physics.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.

1.	One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moments of inertia about their diameters are respectively I_A and I_B, such that _____________
A.	I<sub>A</sub>=I<sub>B</sub>
B.	I<sub>A</sub> is greater thab I<sub>B</sub>
C.	I<sub>A</sub> is lesser than I<sub>B</sub>
D.	I<sub>A</sub>/I<sub>B</sub> = <sub>A</sub>/ <sub>B</sub>
Answer» D. I<sub>A</sub>/I<sub>B</sub> = <sub>A</sub>/ <sub>B</sub>

Discussion

2.	Moment of inertia of a circular wire of mass M and radius R about its diameter is _____________
A.	1/2 MR<sup>2</sup>
B.	1/4 MR<sup>2</sup>
C.	2MR<sup>2</sup>
D.	MR<sup>2</sup>
Answer» C. 2MR<sup>2</sup>

Discussion

3.	A smooth sphere A is moving on a frictionless horizontal plane with angular speed and the centre of mass velocity u. It collides elastically and head on with an identical sphere B at rest. Neglect friction everywhere. After the collision, their angular speeds are _(A) and _(B) respectively. Then?
A.	<sub>A</sub> is lesser than <sub>B</sub>
B.	<sub>A</sub>= <sub>B</sub>
C.	<sub>A</sub>=
D.	<sub>B</sub>=
Answer» D. <sub>B</sub>=

Discussion

4.	Two particles A and B, initially at rest, move towards each other under mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, what is the speed of mass of the system?
A.	3v
B.	v
C.	Zero
D.	1.5v
Answer» D. 1.5v

Discussion

5.	A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination. In each case, the ball will _____________
A.	Reach the bottom at the same time
B.	Will take longer time to roll down one plane
C.	Reach the bottom at an unpredictable time
D.	Reach the bottom at the same time and keeps rolling
Answer» C. Reach the bottom at an unpredictable time

Discussion

6.	A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination. In each case, the ball will reach the bottom _____________
A.	With the same speed
B.	With different speed
C.	With different speed but same time
D.	Immediately
Answer» B. With different speed

Discussion

Explore topic-wise MCQs in Engineering Physics.

One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moments of inertia about their diameters are respectively IA and IB, such that _____________

Moment of inertia of a circular wire of mass M and radius R about its diameter is _____________

A smooth sphere A is moving on a frictionless horizontal plane with angular speed and the centre of mass velocity u. It collides elastically and head on with an identical sphere B at rest. Neglect friction everywhere. After the collision, their angular speeds are (A) and (B) respectively. Then?

Two particles A and B, initially at rest, move towards each other under mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, what is the speed of mass of the system?

A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination. In each case, the ball will _____________

A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination. In each case, the ball will reach the bottom _____________

One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moments of inertia about their diameters are respectively I_A and I_B, such that _____________

A smooth sphere A is moving on a frictionless horizontal plane with angular speed and the centre of mass velocity u. It collides elastically and head on with an identical sphere B at rest. Neglect friction everywhere. After the collision, their angular speeds are _(A) and _(B) respectively. Then?