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Work and Energy /
Quiz 1

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NCAT - Practice Test - Physics - Work and Energy Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Work and Energy | Quiz 1

1. What is the formula for work done by a constant force?

F × d × cosθ
F × d × sinθ
F × d
F/d

2. When is work done by a force zero?

Force is zero
Displacement is zero
Force and displacement are perpendicular
Force and displacement are parallel

3. What is the SI unit of work?

N/s
kg·m/s²
N·m
Watt

4. What is the definition of energy?

Capacity to do work
Rate of doing work
Force times time
Mass times velocity

5. What is the formula for kinetic energy?

½ mv²
mgh
½ kx²
F × d

6. What is the formula for gravitational potential energy?

½ mv²
mgh
½ kx²
F × d

7. What is potential energy?

Energy of motion
Energy due to height only
Stored energy due to position
Energy due to deformation only

8. What is meant by absolute potential energy?

PE measured from ground
PE measured from any level
PE measured from infinity
PE measured from centre of Earth

9. What is the definition of power?

Work / time
Force × velocity
Both A and B
Energy × time

10. How is power expressed as a scalar product?

F × t
F·v
F × a
F / v

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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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