Question # 1

Root out the conventional source of energy:

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Energy from blomass

hydroelectric energy

Geothermal energy

None of these

When body moves with increasing acceleration, its velocity time graph is a

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straight line

horizontal straight line

vertical straight line

curve

Inertia mass and gravitational mass are

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opposite

identical

identical when there is no friction

all of them

The area under line velocity-time graph is numerically equal to the

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speed of the body

acceleration of the body

distance covered by the body

none of them

The consumption source if energy is:

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Energy from blomass

Hydroelectric energy

Geothermal energy

None of these

In the expression F x t, the force F is

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total force

instantaneous force

average force

all of them

Tick the conservation force:

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Tension in a string

Air resistance string

Elastic spring force

Frictional force

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

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In the backward direction on the front wheel and in the forward direction on the rear wheel

In the forwards directions on the front wheel and in the backward direction on the rear wheel

In the forward direction on both the wheels

In the backward direction on both the wheels

The velocity given to a body to go out of the influence of earth's gravity is known as:

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Terminal velocity

Orbital velocity

Escape velocity

None of these

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s²

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0.064 m

640 cm

64 cm

64 m

The path followed by the projectile is known as:

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Cycle

Hyperbola

Trajectory

Route

A body moving with uniform velocity has

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positive acceleration

negative acceleration

infinite acceleration

zero acceleration

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

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1.46 m sec^-1

2.44 m sec^-1

3.42 m sec^-1

4.43 m sec^-1

Swimming becomes possible because of______law of motion:

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First

Second

Third

None of these

The projectile attains maximum horizontal range when it is projected at an angle of

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30°

45°

60°

75°

A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is

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37.5 km/h

10 km/h

42 km/h

40 km/h

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ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers

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