Work and Energy Test

Result

Work and Energy Test - 3

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?

A
200 J

B
0.02 J

C
0.2 J

D
20 J
Question 2
1 / -0

Work done on a body moving along a circular path is

A
FS joule

B
0 joule

C
- FS joule

D
None of these
Question 3
1 / -0

In which of the following cases is work being done?

A
A donkey carrying a load on its back.

B
Foodgrain being dried in the sun.

C
Rahul is swimming in a pond.

D
A green plant is carrying out photosynthesis.
Question 4
1 / -0

How much force is required to do 9600 J of work over a displacement of 25 m?

A
240 KN

B
9.6 KN

C
384 N

D
250 N
Question 5
1 / -0

What must be the velocity (in ms^-1) of a moving body of mass 2 kg, which possess a kinetic energy of 16 J?

A
2

B
3

C
4

D
None of these
Question 6
1 / -0

Two bodies A and B of equal mass are kept at height of h and 2 h respectively.What will be the ratio of their potential energies?

A
1: 2

B
2: 1

C
4: 1

D
1: 4
Question 7
1 / -0

The kinetic energy acquired by a mass m in travelling a certain distance d, starting from rest, under action of a constant force is

A
directly proportional to m

B
directly proportional to √m

C
directly proportional to 1/√m

D
independent of m
Question 8
1 / -0

A body of mass 20 g moving at 200 m/s passes through a plank and its velocity reduces to 100 m/s. While passing through the plank, what part of its K.E. is lost?

A
1/4

B
3/4

C
1/2

D
2/3
Question 9
1 / -0

If a light and a heavy body have equal kinetic energy, which of them has a greater momentum?

A
Light body

B
Heavy body

C
Both have equal momentum

D
Nothing can be said
Question 10
1 / -0

If the K.E. of a particle increases by 4 times, then its momentum will

A
be quadrupled

B
be doubled

C
remain unchanged

D
increase by 16 times

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Work and Energy Test - 3

Result

Work and Energy Test - 3

Score

-

Rank

-

SHARING IS CARING

Question 1

200 J

0.02 J

0.2 J

20 J

Question 2

FS joule

0 joule

- FS joule

None of these

Question 3

A donkey carrying a load on its back.

Foodgrain being dried in the sun.

Rahul is swimming in a pond.

A green plant is carrying out photosynthesis.

Question 4

240 KN

9.6 KN

384 N

250 N

Question 5

2

3

4

None of these

Question 6

1: 2

2: 1

4: 1

1: 4

Question 7

directly proportional to m

directly proportional to √m

directly proportional to 1/√m

independent of m

Question 8

1/4

3/4

1/2

2/3

Question 9

Light body

Heavy body

Both have equal momentum

Nothing can be said

Question 10

be quadrupled

be doubled

remain unchanged

increase by 16 times

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.