Laws Of Motion Test

Result

Laws Of Motion Test - 2

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SHARING IS CARING

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Weekly Quiz Competition

Question 1
1 / -0

If a car moves round a circular road of radius r at a constant speed v

A
its velocity changes and the acceleration is v/r².

B
there is no force on the car since its speed is constant

C
the force on the car is towards the centre and its magnitude mv²/r

D
the force on the car is outwards from the centre and its magnitude is mv²/r
Question 2
1 / -0

When a girl rides round the corner on her bicycle at a steady speed

A
there is no force when she takes the turn

B
the force on her bicycle is only her weight when she takes the turn

C
the centripetal force is due to the friction between the tyre and the ground

D
the force on the girl is always outwards.
Question 3
1 / -0

A small mass of 0.2 kg is whirled round in horizontal circle at the end of a string of length

A
0.2 N

B
1.6 N

C
0.8 N

D
1.0 N

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Re-Attempt Weekly Quiz Competition

Laws Of Motion Test - 2

Result

Laws Of Motion Test - 2

Score

-

Rank

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SHARING IS CARING

Question 1

its velocity changes and the acceleration is v/r².

there is no force on the car since its speed is constant

the force on the car is towards the centre and its magnitude mv²/r

the force on the car is outwards from the centre and its magnitude is mv²/r

Question 2

there is no force when she takes the turn

the force on her bicycle is only her weight when she takes the turn

the centripetal force is due to the friction between the tyre and the ground

the force on the girl is always outwards.

Question 3

0.2 N

1.6 N

0.8 N

1.0 N

User

Question Analysis

My Perfomance

Score

-

Rank

-

Laws Of Motion Test - 2

Result

Laws Of Motion Test - 2

Score

-

Rank

-

SHARING IS CARING

Question 1

its velocity changes and the acceleration is v/r2.

there is no force on the car since its speed is constant

the force on the car is towards the centre and its magnitude mv2/r

the force on the car is outwards from the centre and its magnitude is mv2/r

Question 2

there is no force when she takes the turn

the force on her bicycle is only her weight when she takes the turn

the centripetal force is due to the friction between the tyre and the ground

the force on the girl is always outwards.

Question 3

0.2 N

1.6 N

0.8 N

1.0 N

User

Question Analysis

My Perfomance

Score

-

Rank

-

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its velocity changes and the acceleration is v/r².

the force on the car is towards the centre and its magnitude mv²/r

the force on the car is outwards from the centre and its magnitude is mv²/r