Force & Pressure

Force and Pressure Worksheet-7

1. A sharp knife enable us to cut through things more easily because

(a) The pressure exerted in lesser when the same force is used

(b) The pressure exerted is greater when the same force is used

(c) The sharp edge can pass through the material slowly

(d) The sharp edge is not felt when cutting through the material

2. Which of the following properties of an object cannot be changed by altering the force acting on it

(a) Mass                                         (b) Speed

(c) Direction of movement         (d) Shape