Question

A. Write 'T' for True and 'F' for false for each of the following statement.
1. Weight of an object is equal to the force exerted by the earth on that body. _______________
2. Magnetic force is a contact force. __________
3. Force of friction is due to roughhness on the surfaces of the bodies in contact. _____________
4. Hydraulic car jack is based on pascal's law. ____________
5. Atmospheric pressure decreases with altitude. ___________
B. Match the columns.
Column A Column B
1. Frictional force A. No change in the state of motion
2. Zero resultant force B. Pascal's law
3. Pressure C. Barometer
4. Hydraulic car jack D. Force/Area
5. Atmospheric pressure E. Contact force​

Answer 1

Answer:

Answer:A

1.true

2.true

3.true

4.true

5.false

Answer:B

1.(E)

2.(A)

3.(D)

4.(B)

5.(C)