Points 10 Answer the following quetions : 6 x
1
2 M = 8 M
1. Feriction is a
a) Non contact force b) Contact force c) Magnetic force d) Electrostatic force
2. Feriction always
a) opposes the motion b) helps the motion c) Both a and c d) none of these
3. Force acting per unit area is called
a) non-contact force b) contact force c) net force d) pressure
4. Muscular force is also called as
a) non-contact force b) contact force c) gravitation force d) magnetic
5. Force changes the
a) Motion of body b) speed of body c) shape of body d) all the above
6. A spring balance is used for measuring
a) Mass b) weight c) pressure d) speed
7. State an example for a situation mentioned below in which a force. 4 x 1 = 4 M
a) Changes speed of an object b) Changes shape of an obect
8. Correct the following statement and re-write
"Because the car is at rest, no forces are acting on it."
9. Why do tools meant for cutting always have sharp edges?
10. What force is causing to revolve our Earth around the sun?
11. Find net forces from the following diagrams. 4 x 2 M = 8 M
12. A stick is placed on steps as shown in figure. Draw normal forces on the stick.
13. Give two examples each for a contact force and a force at a distance. 2 x 5 M = 10 M
14. When you push a heavy object, it doesn't move. Explain the reason interms of net forces.
15. How can you differentiate between a contact force and force at a distance.
16. A monkey hangs stationary at the and of vertical vine of the pertical line. What forces act on the
monkey?
8 N
8 N
10 N
8 N
10 N
8 N
8 N
1
2 M = 8 M
1. Feriction is a
a) Non contact force b) Contact force c) Magnetic force d) Electrostatic force
2. Feriction always
a) opposes the motion b) helps the motion c) Both a and c d) none of these
3. Force acting per unit area is called
a) non-contact force b) contact force c) net force d) pressure
4. Muscular force is also called as
a) non-contact force b) contact force c) gravitation force d) magnetic
5. Force changes the
a) Motion of body b) speed of body c) shape of body d) all the above
6. A spring balance is used for measuring
a) Mass b) weight c) pressure d) speed
7. State an example for a situation mentioned below in which a force. 4 x 1 = 4 M
a) Changes speed of an object b) Changes shape of an obect
8. Correct the following statement and re-write
"Because the car is at rest, no forces are acting on it."
9. Why do tools meant for cutting always have sharp edges?
10. What force is causing to revolve our Earth around the sun?
11. Find net forces from the following diagrams. 4 x 2 M = 8 M
12. A stick is placed on steps as shown in figure. Draw normal forces on the stick.
13. Give two examples each for a contact force and a force at a distance. 2 x 5 M = 10 M
14. When you push a heavy object, it doesn't move. Explain the reason interms of net forces.
15. How can you differentiate between a contact force and force at a distance.
16. A monkey hangs stationary at the and of vertical vine of the pertical line. What forces act on the
monkey?
8 N
8 N
10 N
8 N
10 N
8 N
8 N
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