Question

1. Choose the correct option.
A. Example of a non-contact force is
1. Magnetic force
2. Normal force. 3.Tension force. 4.spring force
B. Tension force is a 1.Gravitational force
2. Pushing force 3. Pulling force
4.spring force. C. Force cannot
1. change the speed
2. change the direction
3. stop a moving object
4. change mass
D. The maximum value of frictional force between two surfaces which can prevent one
1. Sliding friction 2. Roling friction. 3.Static friction. 4.All of these
E. When two equal forces are acting on a body in the opposite direction, the resultant
will be
1.Maximum
2. Minimum
3. Zero
4. None of these​

Answer 1

Answer:

A= 3

B=2

C=4

D=4

E. don't know

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Answer 2

Answer:

A 3

B 2

C 4

D 4

E 1

Explanation:

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