A block of mass 2 kg is placed on the floor. The co – efficient of static friction is 0.4. The force of friction between the block and floor is –
A. 2.8 N
B. 7.8 N
C. 2 N
D. zero
Answer:B
A block of mass 2 kg is placed on the floor. The co – efficient of static friction is 0.4. The force of friction between the block and floor is –
A. 2.8 N B. 7.8 N C. 2 N D. zero