Laws of Motion Test

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Laws of Motion Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Shyam pushes a box on a frictionless surface with a force of 730 N. Ram pushes a box, on the same surface, having weight 2.8 times the weight of the box that Shyam pushed. If both the persons exert the same force to push the boxes, what is the ratio of acceleration for Ram with respect to Shyam?

A
730 : 2.8

B
1 : 2.8

C
2.8 : 730

D
2.8 : 1
Question 2
1 / -0

A ball is rolling on a smooth table. What is the effect on its speed if not force is applied on it?

A
Increases

B
Decreases

C
Remains unchanged

D
It stops immediately
Question 3
1 / -0

Which of the following frictions keeps a wagon form rolling until it is pushed?

A
Rolling friction

B
Static friction

C
Sliding friction

D
Either rolling or sliding friction
Question 4
1 / -0

Which of the following statements defines inertia of motion?

A
When running car stops suddenly, the passenger tends to lean forward.

B
On shaking or giving jerks to the branches of a tree, the fruits fall down.

C
When a train suddenly start moving forward, passenger standing in the compartment tends to fall backwards.

D
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
Question 5
1 / -0

The amount of inertia possessed by an object is dependent solely upon

A
Mass

B
Velocity

C
Momentum

D
Momentum
Question 6
1 / -0

Due to rainy season, the wheel of a car got stuck in mud seven people applied different forces to take it out. Two of them applied 80 N force each. Three of them applied 100 N each. The other two persons applied 170 N. Find mass of car if the acceleration produced is 0.76 m/sec².

A
962 kg

B
1000 kg

C
830 kg

D
1560 kg
Question 7
1 / -0

A stone is released from the top of a tower and reaches the ground in 4 sec.How high is the tower and with what velocity will it hit the ground?

A
80 meters, 40 m/s

B
60 meters, 30 m/s

C
60 meters,60 m/s

D
88 meters,20 m/s
Question 8
1 / -0

What is the name of the force that acts on everything on Earth?

A
Gravity

B
Rotational force

C
Friction

D
Air resistance force
Question 9
1 / -0

Which of the following is unit of force?

A
Newton

B
Dyne

C
Kg m/sec²

D
All of these
Question 10
1 / -0

If you got to moon your weight

A
remains the same

B
increases and becomes 3 times

C
decreases and becomes 1/6th

D
depends on the weight of man
Question 11
1 / -0

A person threw a ball of mass 100 g with a speed of 20 m/sec. It came to rest after 5 seconds. Find average force applied by the person.

A
100 N in direction opposite to direction of motion

B
400 N in direction opposite to direction of motion

C
200 N in direction of motion

D
400 N in direction of motion

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Laws of Motion Test - 4

Result

Laws of Motion Test - 4

Score

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Rank

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SHARING IS CARING

Question 1

730 : 2.8

1 : 2.8

2.8 : 730

2.8 : 1

Question 2

Increases

Decreases

Remains unchanged

It stops immediately

Question 3

Rolling friction

Static friction

Sliding friction

Either rolling or sliding friction

Question 4

When running car stops suddenly, the passenger tends to lean forward.

On shaking or giving jerks to the branches of a tree, the fruits fall down.

When a train suddenly start moving forward, passenger standing in the compartment tends to fall backwards.

When a hanging carpet is beaten with a stick, the dust particles start coming out of it.

Question 5

Mass

Velocity

Momentum

Momentum

Question 6

962 kg

1000 kg

830 kg

1560 kg

Question 7

80 meters, 40 m/s

60 meters, 30 m/s

60 meters,60 m/s

88 meters,20 m/s

Question 8

Gravity

Rotational force

Friction

Air resistance force

Question 9

Newton

Dyne

Kg m/sec2

All of these

Question 10

remains the same

increases and becomes 3 times

decreases and becomes 1/6th

depends on the weight of man

Question 11

100 N in direction opposite to direction of motion

400 N in direction opposite to direction of motion

200 N in direction of motion

400 N in direction of motion

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Kg m/sec²