Awarehouse worker pushes a crate along the floor. the worker pushes with a force of 10 n that points downward at an angle of 45° below the horizontal. what component of the force moves the crate forward?
7.8 n
3.4 n
7.1 n
10 n

The component of the force that moves the crate forward is equal to 7.1N(third option).

Why?

Since the force is applied at an angle (45°), the force has two components (horizontal and vertical). We can calculate the component that pushes the crate forward by the following way:

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speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

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explanation: