Problem 1 T1 T=24 N M2 = 4 kg M1 = 2 kg Find acceleration of blocks and tension T1

Find acceleration of blocks and tension T1 Problem 2 T1 T=24 N M2 = 2 kg M1 = 4 kg Turn blocks around…. Find acceleration of blocks and tension T1

Find maximum acceleration such that upper block does not slip Problem 3 s M1 M2 a Find maximum acceleration such that upper block does not slip

Find acceleration and normal force Problem 4 m Find acceleration and normal force  

Problem 5 What force does a trampoline have to apply to a 45 kg gymnast to accelerate her up at 7.5 m/s2?

Problem 6 A flea jumps by exerting a force of 1.2 x 10-5 N straight down on the ground. A breeze blowing on the flea parallel to ground exerts a force of 0.5 x 10 -6 N on the flea. Find the direction and magnitude of the acceleration of the flea if its mass is 6 x 10 -7 kg.

Problem 7 mwoodOnWood= 0.5,0.3 Suppose you have a 120 kg wooden crate resting on a wood floor. (a) What maximum force can you exert horizontally on the crate without moving it? (b) If you continue to exert this force once the crate starts to slip what will its acceleration be?

Problem 8 ms (ice-on-ice)=0.1 A contestant in a winter games event pushes a 45 kg block of ice across a frozen lake. Calculate the minimum force, F, he must exert to get the bock moving. What is the force, F’, he needs to exert if he were to pull the bock with a rope over his shoulder at the same angle above the horizontal? ms (ice-on-ice)=0.1