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Date November 2020 Marks available 1 Reference code 20N.1.SL.TZ0.7
Level Standard level Paper Paper 1 Time zone 0 - no time zone
Command term Question number 7 Adapted from N/A

Question

Three forces act on a block which is sliding down a slope at constant speed. W is the weight, R is the reaction force at the surface of the block and F is the friction force acting on the block.

In this situation

A.  there must be an unbalanced force down the plane.

B.  W=R.

C.  F=W.

D.  the resultant force on the block is zero.

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Mechanics » 2.2 – Forces
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