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WorksheetsGrade-9 Physics-Force and Laws of Motion
Total questions: 6
Worksheet time: 5mins
Forces acting on the body A in equilibrium are:
Unbalanced Forces
Balanced Forces
Any of A and B
Can't say
No force is required for:
changing the direction of a specific moving cart
increasing the speed of the cart
decreasing the speed of the cart
moving the cart with same speed along the same direction
Newton's 1st law of motion is also known as the
Law of Planetary motion
Law of inertia
Law of action-reaction
Law of gravitation
A force of 10N acts on a body of mass 20KG for 10 seconds. The change produced in momentum is given by:
5 KG m/s
100 KG m/s
200 KG m/s
2000 KG m/s
Different amount of forces are applied on four balls of different masses. The respective acceleration of each ball is given in the table. So, what is the maximum force applied on the ball?
1
2
3
4
A train passes over a 400 m long bridge. If the speed of the train is 30 m/s and the train takes 20 s to cross the bridge, then tell me the length of the train (your gift for correctly answering this question is a chocolate).
400 m
200 m
600 m
800 m
