U10: Challenge, Multiple Choice

U10: Challenge, Multiple Choice

Assessment

Flashcard

Physics

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the formula to calculate the maximum speed of a car navigating a turn?

Back

s = √(μ * g * r), where s is the maximum speed, μ is the coefficient of friction, g is the acceleration due to gravity, and r is the radius of the turn.

2.

FLASHCARD QUESTION

Front

What does the coefficient of friction (μ) represent in physics?

Back

The coefficient of friction (μ) is a dimensionless scalar value that represents the frictional force between two bodies in contact, affecting the maximum speed a vehicle can achieve while turning.

3.

FLASHCARD QUESTION

Front

How does the radius of a turn (r) affect the maximum speed of a car?

Back

A larger radius allows for a higher maximum speed, as the centripetal force required to keep the car on the turn decreases with increasing radius.

4.

FLASHCARD QUESTION

Front

What is centripetal acceleration and how is it calculated?

Back

Centripetal acceleration (a_c) is the acceleration directed towards the center of a circular path, calculated as a_c = v²/r, where v is the speed and r is the radius.

5.

FLASHCARD QUESTION

Front

What is the relationship between speed and force in a centrifuge?

Back

The force experienced in a centrifuge is proportional to the square of the speed; if the speed is halved, the force experienced is reduced to one-fourth.

6.

FLASHCARD QUESTION

Front

What is the significance of the direction of acceleration in circular motion?

Back

In circular motion, acceleration is always directed towards the center of the circle, indicating that the object is constantly changing direction.

7.

FLASHCARD QUESTION

Front

What happens to the force experienced by an astronaut in a centrifuge if the speed is doubled?

Back

If the speed is doubled, the force experienced by the astronaut increases by a factor of four, as force is proportional to the square of the speed.

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?