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2.3 Forces and Newton's laws

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Question 51

In this question, use $\text{ m s}^{-2}$ .

A robotic transport sled, $S$ , is pulled across a rough horizontal factory floor.

A horizontal pulling force of magnitude $P$ newtons acts on $S$ .

$S$ moves with a constant acceleration of $\text{ m s}^{-2}$ .

$S$ has a weight of $\text{ N}$ .

The only resistance force acting on $S$ is due to friction.

The coefficient of friction between $S$ and the floor is $0.3$ .

Find $P$ .

[5]

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2.3 Forces and Newton's laws Questions

A Level
Maths
2.3 Forces and Newton's laws

136 exam-style questions on CCEA A Level Maths 2.3 Forces and Newton's laws, covering 2.3.1 Forces and Newton's laws, 2.3.2 Forces and Newton's laws, 2.3.3 Forces and Newton's laws, 2.3.4 Forces and Newton's laws, 2.3.5 Forces and Newton's laws, 2.3.6 Forces and Newton's laws, 2.3.7 Forces and Newton's laws, 2.3.8 Forces and Newton's laws, 2.3.9 Forces and Newton's laws, 2.3.10 Forces and Newton's laws, 2.3.11 Forces and Newton's laws, 2.3.12 Forces and Newton's laws, and 2.3 Forces and Newton's laws. Each one has a worked solution and a mark scheme showing where the marks go.

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