# Physics-Work and Energy (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 61 - 67 of 69

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## Question number: 61

» Physics » Work and Energy

MCQ▾

### Question

Which of the following has the highest Potential energy?

### Choices

Choice (4) Response

a.

20 kg rock at a height of 40 m

b.

5 kg rock at a height of 150 m

c.

35 kg rock at a height of 50 m

d.

180 kg rock at a height of 2 m

## Question number: 62

» Physics » Work and Energy

MCQ▾

### Question

Which of the following convert electrical energy to heat energy?

### Choices

Choice (4) Response

a.

TV

b.

Turbine

c.

Iron

d.

None of the above

## Question number: 63

» Physics » Work and Energy

MCQ▾

### Question

Thermal and light energy from sun stored in plants as ________and ________energy.

### Choices

Choice (4) Response

a.

Chemical – potential energy

b.

Magnetic – electrical energy

c.

Electrical – mechanical energy

d.

Chemical – kinetic energy

## Question number: 64

» Physics » Work and Energy

MCQ▾

### Question

Calculate the work done when a 5N force moves an object through distance of 15 m.

### Choices

Choice (4) Response

a.

20

b.

75

c.

10

d.

3

## Question number: 65

» Physics » Work and Energy

MCQ▾

### Question

Which of the following energy possesses a flying helicopter in the sky?

### Choices

Choice (4) Response

a.

Kinetic energy but not potential energy

b.

Potential energy but not kinetic energy

c.

Potential and kinetic energy

d.

All of the above

## Question number: 66

» Physics » Work and Energy

MCQ▾

### Question

Calculate the potential energy when mass of a body is 12 kg and height is 5 meter, (g = 9.8

### Choices

Choice (4) Response

a.

398

b.

588

c.

568

d.

445

## Passage

Direction: Study the following graph and answer questions below.

A man has strange ability to jump from any height to another with ease. The man jumps to A then to B, C, D, E and then into water.

## Question number: 67 (1 of 3 Based on Passage) Show Passage

» Physics » Work and Energy

MCQ▾

### Question

Which place will he hit with the highest energy upon landing?

### Choices

Choice (4) Response

a.

On water

b.

On C

c.

On E

d.

On A

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