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On the back of the lorry is a crate whose mass is 200kg. The cofficient of static fricition between the crate and the lorry being 0.7.

A) State the magnitude and direction (up or down the bed) of the frictional force F acting on the crate.

I am struggling with this question i believe you have to use the F= Mv^2/r to find the force but where does the static friction come into the equation?

Can anyone help please!

B) If the lorry were to enter a corner with a bank angle of 40° and radius of 150m. what is the range of speeds over which the lorry may travel without the crate slipping?

Does this question require the use of the SUVAT equations?

Can anyone help please!

Any working outs will be very useful

Thank you