16
QuizMultiple Select

Lesson 1: Introduction to Forces

Question 16 • [HSPHY] Physics Sem 1 (26-27)

Which describes a positive or negative net force acting on an object? Check all that apply.It can cause an object to accelerate.It can cause an object to stop moving.It can cause an object to start moving.It can cause an object to change directions.It can cause an object at rest to remain at rest.

Answer
A
It can cause an object to accelerate.
B
It can cause an object to stop moving.
C
It can cause an object to start moving.
D
It can cause an object to change directions.
E
It can cause an object at rest to remain at rest.

Explanation

A nonzero net force causes acceleration, which means a change in an object's velocity. That change can make an object start moving, stop moving, or change direction, so choices A, B, C, and D apply. An object at rest remaining at rest describes zero net force, not a positive or negative net force, so E does not apply.

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