Chapter-4: Motion In A Plane

1. Which of the following is not a scalar quantity?

• Temperature
• Charge
• Coefficient of friction
• Impulse

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Impulse[/su_spoiler]

2. Which of the following is a scalar quantity?

• Electric current
• Linear momentum
• Acceleration
• Electric field.

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Total path length।[/su_spoiler]

3. Which of the following is a vector quantity?

• Gravitational potential,
• Electric current
• Current density
• Angle.

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Current density[/su_spoiler]

4. Which of the following is a vector quantity?

• Time
• Displacement
• Speed
• Distance

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Displacement[/su_spoiler]

5. Which of the following is scalar?

• Velocity
• Speed
• Displacement
• Force

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Speed[/su_spoiler]

6. Which of the following is a vector?

• Energy
• Work
• Potential
• Momentum

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Momentum[/su_spoiler]

7. Angular displacement in unit time is called –

• Angular velocity
• Angular movement
• Angular acceleration
• Frequency

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Angular velocity[/su_spoiler]

8. Rate of change of angular velocity is called –

• Angular momentum
• Angular displacement
• Frequency
• Angular acceleration

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Angular acceleration[/su_spoiler]

9. Path followed by the projectile is –

• Straight line
• Circular
• Ellipse
• Parabolic

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Straight line[/su_spoiler]

10. When a particle moves on a circular path then the force that keeps it moving with uniform velocity is –

• Centripetal force
• Gravitational force
• Internal force
• Atomic force.

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Centripetal force[/su_spoiler]

11. In circular motion –

• The direction of motion is fixed
• The direction of motion changes continuously
• Acceleration is zero
• None of these.

[su_spoiler title=”answer” style=”fancy” icon=”caret”]Centripetal force[/su_spoiler]

13. A particle revolves around a circular path. The acceleration of the particle is inversely proportional to –

• Radius
• Velocity
• Mass of particle
• Radius and Velocity