Practice Introduction To Forces (2.1) - Theme A: Space, Time and Motion
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Introduction to Forces

Practice - Introduction to Forces

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the three laws of motion according to Newton?

💡 Hint: Recall Newton's contributions to physics.

Question 2 Easy

Define inertia in your own words.

💡 Hint: Think about what makes it hard to start or stop moving an object.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does Newton's Second Law state?

A) Objects will not change their motion unless acted upon.
B) Force equals mass times acceleration.
C) For every action there is an equal reaction.

💡 Hint: Think of the formula involving F, m, and a.

Question 2

True or False: Momentum is conserved in all types of collisions.

💡 Hint: Consider the types of collisions you've learned about.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A 1500 kg car accelerates to a speed of 20 m/s from rest. Calculate the force required if the acceleration is constant over 5 seconds.

💡 Hint: Focus on breaking the problem down into finding acceleration first.

Challenge 2 Hard

In a head-on collision, a 2 kg ball moving at 10 m/s collides with another ball of mass 3 kg at rest. If they stick together, what is their speed after the collision?

💡 Hint: Use conservation principles to analyze pre and post-collision states.

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Reference links

Supplementary resources to enhance your learning experience.