Newton's Laws Test

Result

Newton's Laws Test - 1

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Question 1
1 / -0

An object of mass M is moving on a conveyor belt. The object and the belt move together at a constant velocity v⃗ . The coefficient of static friction is μs, the coefficient of kinetic friction is μk, and the acceleration due to gravity is g. What is the magnitude of the force of friction on the object?

A
zero

B
(μ_s−μ_k) Mg

C
μ_k Mg

D
μ_s Mg

Solution

There is no acceleration in motion of belt as well object and also there is no relative motion. Therefore, no frictional force will act.