Physics (NSTSE Class 6): Questions 65 - 71 of 74

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Question number: 65

» Physics » Work and Machines

MCQ▾

Question

In the third-class lever, ________will be in the middle.

Choices

Choice (4) Response

a.

Load

b.

Fulcrum

c.

Effort

d.

Question does not provide sufficient data or is vague

Question number: 66

» 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: 67

» 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: 68

» 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: 69

» 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 Equation

b.

75 Equation

c.

10 Equation

d.

3 Equation

Question number: 70

» 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: 71

» 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 Equation

Choices

Choice (4) Response

a.

398 Equation

b.

588 Equation

c.

568 Equation

d.

445 Equation

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