WOIker drags crate a lactory iioor by pulling on a fope lied to the crate. The worker exerts a force of magnitude prizontal, and the floor exerts a horizontal force of magnitude f = 125N that opposes the motion. Calculate the magnitude of the acceleration (in the unit m/s?) of the crate if its mass is 200 kg. 400N on the rope, which is incilined at an upvward angle 1.11 O 1.21 1.31

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he gravitational force exerted on a basebal 2.14 down. A pitcher throws the ball horizontally with velocity 14.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 160 ms. T he ball starts from rest. (a) Through what distance does it move before its release? (b) What are the magnitude and direction of the force the pitcher exerts on the ball? (Enter your magnitude to at least one decimal place.) magnitude N direction o above the horizontal

I1= 5A, I2= 0.7A, a=.03m. b=.11m, d=.18m a.) Find FAD magnitude and direction b.) Find FBC magnitude and direction c.) Find Net Force on ABCD magnitude and direction.

The forces acting onan object weighingW units on aninclined planepositioned at anangle of θ with thehorizontal (see figure)are modeled byμW cos θ = W sin θ,where μ is the coefficient of friction. Solve theequation for μ and simplify the result.

A 70 kg runner has a vertical acceleration ay of 13.5 m/s2, the vertical reaction force Ry that caused this acceleration is: